"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

/*!
 * jQuery JavaScript Library v1.11.0
 * http://jquery.com/
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 *
 * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors
 * Released under the MIT license
 * http://jquery.org/license
 *
 * Date: 2014-01-23T21:02Z
 */
(function (global, factory) {
  if ((typeof module === "undefined" ? "undefined" : _typeof(module)) === "object" && _typeof(module.exports) === "object") {
    // For CommonJS and CommonJS-like environments where a proper window is present,
    // execute the factory and get jQuery
    // For environments that do not inherently posses a window with a document
    // (such as Node.js), expose a jQuery-making factory as module.exports
    // This accentuates the need for the creation of a real window
    // e.g. var jQuery = require("jquery")(window);
    // See ticket #14549 for more info
    module.exports = global.document ? factory(global, true) : function (w) {
      if (!w.document) {
        throw new Error("jQuery requires a window with a document");
      }

      return factory(w);
    };
  } else {
    factory(global);
  } // Pass this if window is not defined yet

})(typeof window !== "undefined" ? window : void 0, function (window, noGlobal) {
  // Can't do this because several apps including ASP.NET trace
  // the stack via arguments.caller.callee and Firefox dies if
  // you try to trace through "use strict" call chains. (#13335)
  // Support: Firefox 18+
  //
  var deletedIds = [];
  var _slice = deletedIds.slice;
  var concat = deletedIds.concat;
  var push = deletedIds.push;
  var indexOf = deletedIds.indexOf;
  var class2type = {};
  var toString = class2type.toString;
  var hasOwn = class2type.hasOwnProperty;
  var trim = "".trim;
  var support = {};

  var version = "1.11.0",
      // Define a local copy of jQuery
  jQuery = function jQuery(selector, context) {
    // The jQuery object is actually just the init constructor 'enhanced'
    // Need init if jQuery is called (just allow error to be thrown if not included)
    return new jQuery.fn.init(selector, context);
  },
      // Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE)
  rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
      // Matches dashed string for camelizing
  rmsPrefix = /^-ms-/,
      rdashAlpha = /-([\da-z])/gi,
      // Used by jQuery.camelCase as callback to replace()
  fcamelCase = function fcamelCase(all, letter) {
    return letter.toUpperCase();
  };

  jQuery.fn = jQuery.prototype = {
    // The current version of jQuery being used
    jquery: version,
    constructor: jQuery,
    // Start with an empty selector
    selector: "",
    // The default length of a jQuery object is 0
    length: 0,
    toArray: function toArray() {
      return _slice.call(this);
    },
    // Get the Nth element in the matched element set OR
    // Get the whole matched element set as a clean array
    get: function get(num) {
      return num != null ? // Return a 'clean' array
      num < 0 ? this[num + this.length] : this[num] : // Return just the object
      _slice.call(this);
    },
    // Take an array of elements and push it onto the stack
    // (returning the new matched element set)
    pushStack: function pushStack(elems) {
      // Build a new jQuery matched element set
      var ret = jQuery.merge(this.constructor(), elems); // Add the old object onto the stack (as a reference)

      ret.prevObject = this;
      ret.context = this.context; // Return the newly-formed element set

      return ret;
    },
    // Execute a callback for every element in the matched set.
    // (You can seed the arguments with an array of args, but this is
    // only used internally.)
    each: function each(callback, args) {
      return jQuery.each(this, callback, args);
    },
    map: function map(callback) {
      return this.pushStack(jQuery.map(this, function (elem, i) {
        return callback.call(elem, i, elem);
      }));
    },
    slice: function slice() {
      return this.pushStack(_slice.apply(this, arguments));
    },
    first: function first() {
      return this.eq(0);
    },
    last: function last() {
      return this.eq(-1);
    },
    eq: function eq(i) {
      var len = this.length,
          j = +i + (i < 0 ? len : 0);
      return this.pushStack(j >= 0 && j < len ? [this[j]] : []);
    },
    end: function end() {
      return this.prevObject || this.constructor(null);
    },
    // For internal use only.
    // Behaves like an Array's method, not like a jQuery method.
    push: push,
    sort: deletedIds.sort,
    splice: deletedIds.splice
  };

  jQuery.extend = jQuery.fn.extend = function () {
    var src,
        copyIsArray,
        copy,
        name,
        options,
        clone,
        target = arguments[0] || {},
        i = 1,
        length = arguments.length,
        deep = false; // Handle a deep copy situation

    if (typeof target === "boolean") {
      deep = target; // skip the boolean and the target

      target = arguments[i] || {};
      i++;
    } // Handle case when target is a string or something (possible in deep copy)


    if (_typeof(target) !== "object" && !jQuery.isFunction(target)) {
      target = {};
    } // extend jQuery itself if only one argument is passed


    if (i === length) {
      target = this;
      i--;
    }

    for (; i < length; i++) {
      // Only deal with non-null/undefined values
      if ((options = arguments[i]) != null) {
        // Extend the base object
        for (name in options) {
          src = target[name];
          copy = options[name]; // Prevent never-ending loop

          if (target === copy) {
            continue;
          } // Recurse if we're merging plain objects or arrays


          if (deep && copy && (jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)))) {
            if (copyIsArray) {
              copyIsArray = false;
              clone = src && jQuery.isArray(src) ? src : [];
            } else {
              clone = src && jQuery.isPlainObject(src) ? src : {};
            } // Never move original objects, clone them


            target[name] = jQuery.extend(deep, clone, copy); // Don't bring in undefined values
          } else if (copy !== undefined) {
            target[name] = copy;
          }
        }
      }
    } // Return the modified object


    return target;
  };

  jQuery.extend({
    // Unique for each copy of jQuery on the page
    expando: "jQuery" + (version + Math.random()).replace(/\D/g, ""),
    // Assume jQuery is ready without the ready module
    isReady: true,
    error: function error(msg) {
      throw new Error(msg);
    },
    noop: function noop() {},
    // See test/unit/core.js for details concerning isFunction.
    // Since version 1.3, DOM methods and functions like alert
    // aren't supported. They return false on IE (#2968).
    isFunction: function isFunction(obj) {
      return jQuery.type(obj) === "function";
    },
    isArray: Array.isArray || function (obj) {
      return jQuery.type(obj) === "array";
    },
    isWindow: function isWindow(obj) {
      /* jshint eqeqeq: false */
      return obj != null && obj == obj.window;
    },
    isNumeric: function isNumeric(obj) {
      // parseFloat NaNs numeric-cast false positives (null|true|false|"")
      // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
      // subtraction forces infinities to NaN
      return obj - parseFloat(obj) >= 0;
    },
    isEmptyObject: function isEmptyObject(obj) {
      var name;

      for (name in obj) {
        return false;
      }

      return true;
    },
    isPlainObject: function isPlainObject(obj) {
      var key; // Must be an Object.
      // Because of IE, we also have to check the presence of the constructor property.
      // Make sure that DOM nodes and window objects don't pass through, as well

      if (!obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow(obj)) {
        return false;
      }

      try {
        // Not own constructor property must be Object
        if (obj.constructor && !hasOwn.call(obj, "constructor") && !hasOwn.call(obj.constructor.prototype, "isPrototypeOf")) {
          return false;
        }
      } catch (e) {
        // IE8,9 Will throw exceptions on certain host objects #9897
        return false;
      } // Support: IE<9
      // Handle iteration over inherited properties before own properties.


      if (support.ownLast) {
        for (key in obj) {
          return hasOwn.call(obj, key);
        }
      } // Own properties are enumerated firstly, so to speed up,
      // if last one is own, then all properties are own.


      for (key in obj) {}

      return key === undefined || hasOwn.call(obj, key);
    },
    type: function type(obj) {
      if (obj == null) {
        return obj + "";
      }

      return _typeof(obj) === "object" || typeof obj === "function" ? class2type[toString.call(obj)] || "object" : _typeof(obj);
    },
    // Evaluates a script in a global context
    // Workarounds based on findings by Jim Driscoll
    // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
    globalEval: function globalEval(data) {
      if (data && jQuery.trim(data)) {
        // We use execScript on Internet Explorer
        // We use an anonymous function so that context is window
        // rather than jQuery in Firefox
        (window.execScript || function (data) {
          window["eval"].call(window, data);
        })(data);
      }
    },
    // Convert dashed to camelCase; used by the css and data modules
    // Microsoft forgot to hump their vendor prefix (#9572)
    camelCase: function camelCase(string) {
      return string.replace(rmsPrefix, "ms-").replace(rdashAlpha, fcamelCase);
    },
    nodeName: function nodeName(elem, name) {
      return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
    },
    // args is for internal usage only
    each: function each(obj, callback, args) {
      var value,
          i = 0,
          length = obj.length,
          isArray = isArraylike(obj);

      if (args) {
        if (isArray) {
          for (; i < length; i++) {
            value = callback.apply(obj[i], args);

            if (value === false) {
              break;
            }
          }
        } else {
          for (i in obj) {
            value = callback.apply(obj[i], args);

            if (value === false) {
              break;
            }
          }
        } // A special, fast, case for the most common use of each

      } else {
        if (isArray) {
          for (; i < length; i++) {
            value = callback.call(obj[i], i, obj[i]);

            if (value === false) {
              break;
            }
          }
        } else {
          for (i in obj) {
            value = callback.call(obj[i], i, obj[i]);

            if (value === false) {
              break;
            }
          }
        }
      }

      return obj;
    },
    // Use native String.trim function wherever possible
    trim: trim && !trim.call("\uFEFF\xA0") ? function (text) {
      return text == null ? "" : trim.call(text);
    } : // Otherwise use our own trimming functionality
    function (text) {
      return text == null ? "" : (text + "").replace(rtrim, "");
    },
    // results is for internal usage only
    makeArray: function makeArray(arr, results) {
      var ret = results || [];

      if (arr != null) {
        if (isArraylike(Object(arr))) {
          jQuery.merge(ret, typeof arr === "string" ? [arr] : arr);
        } else {
          push.call(ret, arr);
        }
      }

      return ret;
    },
    inArray: function inArray(elem, arr, i) {
      var len;

      if (arr) {
        if (indexOf) {
          return indexOf.call(arr, elem, i);
        }

        len = arr.length;
        i = i ? i < 0 ? Math.max(0, len + i) : i : 0;

        for (; i < len; i++) {
          // Skip accessing in sparse arrays
          if (i in arr && arr[i] === elem) {
            return i;
          }
        }
      }

      return -1;
    },
    merge: function merge(first, second) {
      var len = +second.length,
          j = 0,
          i = first.length;

      while (j < len) {
        first[i++] = second[j++];
      } // Support: IE<9
      // Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists)


      if (len !== len) {
        while (second[j] !== undefined) {
          first[i++] = second[j++];
        }
      }

      first.length = i;
      return first;
    },
    grep: function grep(elems, callback, invert) {
      var callbackInverse,
          matches = [],
          i = 0,
          length = elems.length,
          callbackExpect = !invert; // Go through the array, only saving the items
      // that pass the validator function

      for (; i < length; i++) {
        callbackInverse = !callback(elems[i], i);

        if (callbackInverse !== callbackExpect) {
          matches.push(elems[i]);
        }
      }

      return matches;
    },
    // arg is for internal usage only
    map: function map(elems, callback, arg) {
      var value,
          i = 0,
          length = elems.length,
          isArray = isArraylike(elems),
          ret = []; // Go through the array, translating each of the items to their new values

      if (isArray) {
        for (; i < length; i++) {
          value = callback(elems[i], i, arg);

          if (value != null) {
            ret.push(value);
          }
        } // Go through every key on the object,

      } else {
        for (i in elems) {
          value = callback(elems[i], i, arg);

          if (value != null) {
            ret.push(value);
          }
        }
      } // Flatten any nested arrays


      return concat.apply([], ret);
    },
    // A global GUID counter for objects
    guid: 1,
    // Bind a function to a context, optionally partially applying any
    // arguments.
    proxy: function proxy(fn, context) {
      var args, proxy, tmp;

      if (typeof context === "string") {
        tmp = fn[context];
        context = fn;
        fn = tmp;
      } // Quick check to determine if target is callable, in the spec
      // this throws a TypeError, but we will just return undefined.


      if (!jQuery.isFunction(fn)) {
        return undefined;
      } // Simulated bind


      args = _slice.call(arguments, 2);

      proxy = function proxy() {
        return fn.apply(context || this, args.concat(_slice.call(arguments)));
      }; // Set the guid of unique handler to the same of original handler, so it can be removed


      proxy.guid = fn.guid = fn.guid || jQuery.guid++;
      return proxy;
    },
    now: function now() {
      return +new Date();
    },
    // jQuery.support is not used in Core but other projects attach their
    // properties to it so it needs to exist.
    support: support
  }); // Populate the class2type map

  jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function (i, name) {
    class2type["[object " + name + "]"] = name.toLowerCase();
  });

  function isArraylike(obj) {
    var length = obj.length,
        type = jQuery.type(obj);

    if (type === "function" || jQuery.isWindow(obj)) {
      return false;
    }

    if (obj.nodeType === 1 && length) {
      return true;
    }

    return type === "array" || length === 0 || typeof length === "number" && length > 0 && length - 1 in obj;
  }

  var Sizzle =
  /*!
   * Sizzle CSS Selector Engine v1.10.16
   * http://sizzlejs.com/
   *
   * Copyright 2013 jQuery Foundation, Inc. and other contributors
   * Released under the MIT license
   * http://jquery.org/license
   *
   * Date: 2014-01-13
   */
  function (window) {
    var i,
        support,
        Expr,
        getText,
        isXML,
        compile,
        outermostContext,
        sortInput,
        hasDuplicate,
        // Local document vars
    setDocument,
        document,
        docElem,
        documentIsHTML,
        rbuggyQSA,
        rbuggyMatches,
        matches,
        contains,
        // Instance-specific data
    expando = "sizzle" + -new Date(),
        preferredDoc = window.document,
        dirruns = 0,
        done = 0,
        classCache = createCache(),
        tokenCache = createCache(),
        compilerCache = createCache(),
        sortOrder = function sortOrder(a, b) {
      if (a === b) {
        hasDuplicate = true;
      }

      return 0;
    },
        // General-purpose constants
    strundefined = typeof undefined === "undefined" ? "undefined" : _typeof(undefined),
        MAX_NEGATIVE = 1 << 31,
        // Instance methods
    hasOwn = {}.hasOwnProperty,
        arr = [],
        pop = arr.pop,
        push_native = arr.push,
        push = arr.push,
        slice = arr.slice,
        // Use a stripped-down indexOf if we can't use a native one
    indexOf = arr.indexOf || function (elem) {
      var i = 0,
          len = this.length;

      for (; i < len; i++) {
        if (this[i] === elem) {
          return i;
        }
      }

      return -1;
    },
        booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
        // Regular expressions
    // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
    whitespace = "[\\x20\\t\\r\\n\\f]",
        // http://www.w3.org/TR/css3-syntax/#characters
    characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
        // Loosely modeled on CSS identifier characters
    // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
    // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
    identifier = characterEncoding.replace("w", "w#"),
        // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
    attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace + "*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",
        // Prefer arguments quoted,
    //   then not containing pseudos/brackets,
    //   then attribute selectors/non-parenthetical expressions,
    //   then anything else
    // These preferences are here to reduce the number of selectors
    //   needing tokenize in the PSEUDO preFilter
    pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace(3, 8) + ")*)|.*)\\)|)",
        // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
    rtrim = new RegExp("^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g"),
        rcomma = new RegExp("^" + whitespace + "*," + whitespace + "*"),
        rcombinators = new RegExp("^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*"),
        rattributeQuotes = new RegExp("=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g"),
        rpseudo = new RegExp(pseudos),
        ridentifier = new RegExp("^" + identifier + "$"),
        matchExpr = {
      "ID": new RegExp("^#(" + characterEncoding + ")"),
      "CLASS": new RegExp("^\\.(" + characterEncoding + ")"),
      "TAG": new RegExp("^(" + characterEncoding.replace("w", "w*") + ")"),
      "ATTR": new RegExp("^" + attributes),
      "PSEUDO": new RegExp("^" + pseudos),
      "CHILD": new RegExp("^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i"),
      "bool": new RegExp("^(?:" + booleans + ")$", "i"),
      // For use in libraries implementing .is()
      // We use this for POS matching in `select`
      "needsContext": new RegExp("^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i")
    },
        rinputs = /^(?:input|select|textarea|button)$/i,
        rheader = /^h\d$/i,
        rnative = /^[^{]+\{\s*\[native \w/,
        // Easily-parseable/retrievable ID or TAG or CLASS selectors
    rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
        rsibling = /[+~]/,
        rescape = /'|\\/g,
        // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
    runescape = new RegExp("\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig"),
        funescape = function funescape(_, escaped, escapedWhitespace) {
      var high = "0x" + escaped - 0x10000; // NaN means non-codepoint
      // Support: Firefox
      // Workaround erroneous numeric interpretation of +"0x"

      return high !== high || escapedWhitespace ? escaped : high < 0 ? // BMP codepoint
      String.fromCharCode(high + 0x10000) : // Supplemental Plane codepoint (surrogate pair)
      String.fromCharCode(high >> 10 | 0xD800, high & 0x3FF | 0xDC00);
    }; // Optimize for push.apply( _, NodeList )


    try {
      push.apply(arr = slice.call(preferredDoc.childNodes), preferredDoc.childNodes); // Support: Android<4.0
      // Detect silently failing push.apply

      arr[preferredDoc.childNodes.length].nodeType;
    } catch (e) {
      push = {
        apply: arr.length ? // Leverage slice if possible
        function (target, els) {
          push_native.apply(target, slice.call(els));
        } : // Support: IE<9
        // Otherwise append directly
        function (target, els) {
          var j = target.length,
              i = 0; // Can't trust NodeList.length

          while (target[j++] = els[i++]) {}

          target.length = j - 1;
        }
      };
    }

    function Sizzle(selector, context, results, seed) {
      var match, elem, m, nodeType, // QSA vars
      i, groups, old, nid, newContext, newSelector;

      if ((context ? context.ownerDocument || context : preferredDoc) !== document) {
        setDocument(context);
      }

      context = context || document;
      results = results || [];

      if (!selector || typeof selector !== "string") {
        return results;
      }

      if ((nodeType = context.nodeType) !== 1 && nodeType !== 9) {
        return [];
      }

      if (documentIsHTML && !seed) {
        // Shortcuts
        if (match = rquickExpr.exec(selector)) {
          // Speed-up: Sizzle("#ID")
          if (m = match[1]) {
            if (nodeType === 9) {
              elem = context.getElementById(m); // Check parentNode to catch when Blackberry 4.6 returns
              // nodes that are no longer in the document (jQuery #6963)

              if (elem && elem.parentNode) {
                // Handle the case where IE, Opera, and Webkit return items
                // by name instead of ID
                if (elem.id === m) {
                  results.push(elem);
                  return results;
                }
              } else {
                return results;
              }
            } else {
              // Context is not a document
              if (context.ownerDocument && (elem = context.ownerDocument.getElementById(m)) && contains(context, elem) && elem.id === m) {
                results.push(elem);
                return results;
              }
            } // Speed-up: Sizzle("TAG")

          } else if (match[2]) {
            push.apply(results, context.getElementsByTagName(selector));
            return results; // Speed-up: Sizzle(".CLASS")
          } else if ((m = match[3]) && support.getElementsByClassName && context.getElementsByClassName) {
            push.apply(results, context.getElementsByClassName(m));
            return results;
          }
        } // QSA path


        if (support.qsa && (!rbuggyQSA || !rbuggyQSA.test(selector))) {
          nid = old = expando;
          newContext = context;
          newSelector = nodeType === 9 && selector; // qSA works strangely on Element-rooted queries
          // We can work around this by specifying an extra ID on the root
          // and working up from there (Thanks to Andrew Dupont for the technique)
          // IE 8 doesn't work on object elements

          if (nodeType === 1 && context.nodeName.toLowerCase() !== "object") {
            groups = tokenize(selector);

            if (old = context.getAttribute("id")) {
              nid = old.replace(rescape, "\\$&");
            } else {
              context.setAttribute("id", nid);
            }

            nid = "[id='" + nid + "'] ";
            i = groups.length;

            while (i--) {
              groups[i] = nid + toSelector(groups[i]);
            }

            newContext = rsibling.test(selector) && testContext(context.parentNode) || context;
            newSelector = groups.join(",");
          }

          if (newSelector) {
            try {
              push.apply(results, newContext.querySelectorAll(newSelector));
              return results;
            } catch (qsaError) {} finally {
              if (!old) {
                context.removeAttribute("id");
              }
            }
          }
        }
      } // All others


      return select(selector.replace(rtrim, "$1"), context, results, seed);
    }
    /**
     * Create key-value caches of limited size
     * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
     *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
     *	deleting the oldest entry
     */


    function createCache() {
      var keys = [];

      function cache(key, value) {
        // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
        if (keys.push(key + " ") > Expr.cacheLength) {
          // Only keep the most recent entries
          delete cache[keys.shift()];
        }

        return cache[key + " "] = value;
      }

      return cache;
    }
    /**
     * Mark a function for special use by Sizzle
     * @param {Function} fn The function to mark
     */


    function markFunction(fn) {
      fn[expando] = true;
      return fn;
    }
    /**
     * Support testing using an element
     * @param {Function} fn Passed the created div and expects a boolean result
     */


    function assert(fn) {
      var div = document.createElement("div");

      try {
        return !!fn(div);
      } catch (e) {
        return false;
      } finally {
        // Remove from its parent by default
        if (div.parentNode) {
          div.parentNode.removeChild(div);
        } // release memory in IE


        div = null;
      }
    }
    /**
     * Adds the same handler for all of the specified attrs
     * @param {String} attrs Pipe-separated list of attributes
     * @param {Function} handler The method that will be applied
     */


    function addHandle(attrs, handler) {
      var arr = attrs.split("|"),
          i = attrs.length;

      while (i--) {
        Expr.attrHandle[arr[i]] = handler;
      }
    }
    /**
     * Checks document order of two siblings
     * @param {Element} a
     * @param {Element} b
     * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
     */


    function siblingCheck(a, b) {
      var cur = b && a,
          diff = cur && a.nodeType === 1 && b.nodeType === 1 && (~b.sourceIndex || MAX_NEGATIVE) - (~a.sourceIndex || MAX_NEGATIVE); // Use IE sourceIndex if available on both nodes

      if (diff) {
        return diff;
      } // Check if b follows a


      if (cur) {
        while (cur = cur.nextSibling) {
          if (cur === b) {
            return -1;
          }
        }
      }

      return a ? 1 : -1;
    }
    /**
     * Returns a function to use in pseudos for input types
     * @param {String} type
     */


    function createInputPseudo(type) {
      return function (elem) {
        var name = elem.nodeName.toLowerCase();
        return name === "input" && elem.type === type;
      };
    }
    /**
     * Returns a function to use in pseudos for buttons
     * @param {String} type
     */


    function createButtonPseudo(type) {
      return function (elem) {
        var name = elem.nodeName.toLowerCase();
        return (name === "input" || name === "button") && elem.type === type;
      };
    }
    /**
     * Returns a function to use in pseudos for positionals
     * @param {Function} fn
     */


    function createPositionalPseudo(fn) {
      return markFunction(function (argument) {
        argument = +argument;
        return markFunction(function (seed, matches) {
          var j,
              matchIndexes = fn([], seed.length, argument),
              i = matchIndexes.length; // Match elements found at the specified indexes

          while (i--) {
            if (seed[j = matchIndexes[i]]) {
              seed[j] = !(matches[j] = seed[j]);
            }
          }
        });
      });
    }
    /**
     * Checks a node for validity as a Sizzle context
     * @param {Element|Object=} context
     * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
     */


    function testContext(context) {
      return context && _typeof(context.getElementsByTagName) !== strundefined && context;
    } // Expose support vars for convenience


    support = Sizzle.support = {};
    /**
     * Detects XML nodes
     * @param {Element|Object} elem An element or a document
     * @returns {Boolean} True iff elem is a non-HTML XML node
     */

    isXML = Sizzle.isXML = function (elem) {
      // documentElement is verified for cases where it doesn't yet exist
      // (such as loading iframes in IE - #4833)
      var documentElement = elem && (elem.ownerDocument || elem).documentElement;
      return documentElement ? documentElement.nodeName !== "HTML" : false;
    };
    /**
     * Sets document-related variables once based on the current document
     * @param {Element|Object} [doc] An element or document object to use to set the document
     * @returns {Object} Returns the current document
     */


    setDocument = Sizzle.setDocument = function (node) {
      var hasCompare,
          doc = node ? node.ownerDocument || node : preferredDoc,
          parent = doc.defaultView; // If no document and documentElement is available, return

      if (doc === document || doc.nodeType !== 9 || !doc.documentElement) {
        return document;
      } // Set our document


      document = doc;
      docElem = doc.documentElement; // Support tests

      documentIsHTML = !isXML(doc); // Support: IE>8
      // If iframe document is assigned to "document" variable and if iframe has been reloaded,
      // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
      // IE6-8 do not support the defaultView property so parent will be undefined

      if (parent && parent !== parent.top) {
        // IE11 does not have attachEvent, so all must suffer
        if (parent.addEventListener) {
          parent.addEventListener("unload", function () {
            setDocument();
          }, false);
        } else if (parent.attachEvent) {
          parent.attachEvent("onunload", function () {
            setDocument();
          });
        }
      }
      /* Attributes
      ---------------------------------------------------------------------- */
      // Support: IE<8
      // Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans)


      support.attributes = assert(function (div) {
        div.className = "i";
        return !div.getAttribute("className");
      });
      /* getElement(s)By*
      ---------------------------------------------------------------------- */
      // Check if getElementsByTagName("*") returns only elements

      support.getElementsByTagName = assert(function (div) {
        div.appendChild(doc.createComment(""));
        return !div.getElementsByTagName("*").length;
      }); // Check if getElementsByClassName can be trusted

      support.getElementsByClassName = rnative.test(doc.getElementsByClassName) && assert(function (div) {
        div.innerHTML = "<div class='a'></div><div class='a i'></div>"; // Support: Safari<4
        // Catch class over-caching

        div.firstChild.className = "i"; // Support: Opera<10
        // Catch gEBCN failure to find non-leading classes

        return div.getElementsByClassName("i").length === 2;
      }); // Support: IE<10
      // Check if getElementById returns elements by name
      // The broken getElementById methods don't pick up programatically-set names,
      // so use a roundabout getElementsByName test

      support.getById = assert(function (div) {
        docElem.appendChild(div).id = expando;
        return !doc.getElementsByName || !doc.getElementsByName(expando).length;
      }); // ID find and filter

      if (support.getById) {
        Expr.find["ID"] = function (id, context) {
          if (_typeof(context.getElementById) !== strundefined && documentIsHTML) {
            var m = context.getElementById(id); // Check parentNode to catch when Blackberry 4.6 returns
            // nodes that are no longer in the document #6963

            return m && m.parentNode ? [m] : [];
          }
        };

        Expr.filter["ID"] = function (id) {
          var attrId = id.replace(runescape, funescape);
          return function (elem) {
            return elem.getAttribute("id") === attrId;
          };
        };
      } else {
        // Support: IE6/7
        // getElementById is not reliable as a find shortcut
        delete Expr.find["ID"];

        Expr.filter["ID"] = function (id) {
          var attrId = id.replace(runescape, funescape);
          return function (elem) {
            var node = _typeof(elem.getAttributeNode) !== strundefined && elem.getAttributeNode("id");
            return node && node.value === attrId;
          };
        };
      } // Tag


      Expr.find["TAG"] = support.getElementsByTagName ? function (tag, context) {
        if (_typeof(context.getElementsByTagName) !== strundefined) {
          return context.getElementsByTagName(tag);
        }
      } : function (tag, context) {
        var elem,
            tmp = [],
            i = 0,
            results = context.getElementsByTagName(tag); // Filter out possible comments

        if (tag === "*") {
          while (elem = results[i++]) {
            if (elem.nodeType === 1) {
              tmp.push(elem);
            }
          }

          return tmp;
        }

        return results;
      }; // Class

      Expr.find["CLASS"] = support.getElementsByClassName && function (className, context) {
        if (_typeof(context.getElementsByClassName) !== strundefined && documentIsHTML) {
          return context.getElementsByClassName(className);
        }
      };
      /* QSA/matchesSelector
      ---------------------------------------------------------------------- */
      // QSA and matchesSelector support
      // matchesSelector(:active) reports false when true (IE9/Opera 11.5)


      rbuggyMatches = []; // qSa(:focus) reports false when true (Chrome 21)
      // We allow this because of a bug in IE8/9 that throws an error
      // whenever `document.activeElement` is accessed on an iframe
      // So, we allow :focus to pass through QSA all the time to avoid the IE error
      // See http://bugs.jquery.com/ticket/13378

      rbuggyQSA = [];

      if (support.qsa = rnative.test(doc.querySelectorAll)) {
        // Build QSA regex
        // Regex strategy adopted from Diego Perini
        assert(function (div) {
          // Select is set to empty string on purpose
          // This is to test IE's treatment of not explicitly
          // setting a boolean content attribute,
          // since its presence should be enough
          // http://bugs.jquery.com/ticket/12359
          div.innerHTML = "<select t=''><option selected=''></option></select>"; // Support: IE8, Opera 10-12
          // Nothing should be selected when empty strings follow ^= or $= or *=

          if (div.querySelectorAll("[t^='']").length) {
            rbuggyQSA.push("[*^$]=" + whitespace + "*(?:''|\"\")");
          } // Support: IE8
          // Boolean attributes and "value" are not treated correctly


          if (!div.querySelectorAll("[selected]").length) {
            rbuggyQSA.push("\\[" + whitespace + "*(?:value|" + booleans + ")");
          } // Webkit/Opera - :checked should return selected option elements
          // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
          // IE8 throws error here and will not see later tests


          if (!div.querySelectorAll(":checked").length) {
            rbuggyQSA.push(":checked");
          }
        });
        assert(function (div) {
          // Support: Windows 8 Native Apps
          // The type and name attributes are restricted during .innerHTML assignment
          var input = doc.createElement("input");
          input.setAttribute("type", "hidden");
          div.appendChild(input).setAttribute("name", "D"); // Support: IE8
          // Enforce case-sensitivity of name attribute

          if (div.querySelectorAll("[name=d]").length) {
            rbuggyQSA.push("name" + whitespace + "*[*^$|!~]?=");
          } // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
          // IE8 throws error here and will not see later tests


          if (!div.querySelectorAll(":enabled").length) {
            rbuggyQSA.push(":enabled", ":disabled");
          } // Opera 10-11 does not throw on post-comma invalid pseudos


          div.querySelectorAll("*,:x");
          rbuggyQSA.push(",.*:");
        });
      }

      if (support.matchesSelector = rnative.test(matches = docElem.webkitMatchesSelector || docElem.mozMatchesSelector || docElem.oMatchesSelector || docElem.msMatchesSelector)) {
        assert(function (div) {
          // Check to see if it's possible to do matchesSelector
          // on a disconnected node (IE 9)
          support.disconnectedMatch = matches.call(div, "div"); // This should fail with an exception
          // Gecko does not error, returns false instead

          matches.call(div, "[s!='']:x");
          rbuggyMatches.push("!=", pseudos);
        });
      }

      rbuggyQSA = rbuggyQSA.length && new RegExp(rbuggyQSA.join("|"));
      rbuggyMatches = rbuggyMatches.length && new RegExp(rbuggyMatches.join("|"));
      /* Contains
      ---------------------------------------------------------------------- */

      hasCompare = rnative.test(docElem.compareDocumentPosition); // Element contains another
      // Purposefully does not implement inclusive descendent
      // As in, an element does not contain itself

      contains = hasCompare || rnative.test(docElem.contains) ? function (a, b) {
        var adown = a.nodeType === 9 ? a.documentElement : a,
            bup = b && b.parentNode;
        return a === bup || !!(bup && bup.nodeType === 1 && (adown.contains ? adown.contains(bup) : a.compareDocumentPosition && a.compareDocumentPosition(bup) & 16));
      } : function (a, b) {
        if (b) {
          while (b = b.parentNode) {
            if (b === a) {
              return true;
            }
          }
        }

        return false;
      };
      /* Sorting
      ---------------------------------------------------------------------- */
      // Document order sorting

      sortOrder = hasCompare ? function (a, b) {
        // Flag for duplicate removal
        if (a === b) {
          hasDuplicate = true;
          return 0;
        } // Sort on method existence if only one input has compareDocumentPosition


        var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;

        if (compare) {
          return compare;
        } // Calculate position if both inputs belong to the same document


        compare = (a.ownerDocument || a) === (b.ownerDocument || b) ? a.compareDocumentPosition(b) : // Otherwise we know they are disconnected
        1; // Disconnected nodes

        if (compare & 1 || !support.sortDetached && b.compareDocumentPosition(a) === compare) {
          // Choose the first element that is related to our preferred document
          if (a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a)) {
            return -1;
          }

          if (b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b)) {
            return 1;
          } // Maintain original order


          return sortInput ? indexOf.call(sortInput, a) - indexOf.call(sortInput, b) : 0;
        }

        return compare & 4 ? -1 : 1;
      } : function (a, b) {
        // Exit early if the nodes are identical
        if (a === b) {
          hasDuplicate = true;
          return 0;
        }

        var cur,
            i = 0,
            aup = a.parentNode,
            bup = b.parentNode,
            ap = [a],
            bp = [b]; // Parentless nodes are either documents or disconnected

        if (!aup || !bup) {
          return a === doc ? -1 : b === doc ? 1 : aup ? -1 : bup ? 1 : sortInput ? indexOf.call(sortInput, a) - indexOf.call(sortInput, b) : 0; // If the nodes are siblings, we can do a quick check
        } else if (aup === bup) {
          return siblingCheck(a, b);
        } // Otherwise we need full lists of their ancestors for comparison


        cur = a;

        while (cur = cur.parentNode) {
          ap.unshift(cur);
        }

        cur = b;

        while (cur = cur.parentNode) {
          bp.unshift(cur);
        } // Walk down the tree looking for a discrepancy


        while (ap[i] === bp[i]) {
          i++;
        }

        return i ? // Do a sibling check if the nodes have a common ancestor
        siblingCheck(ap[i], bp[i]) : // Otherwise nodes in our document sort first
        ap[i] === preferredDoc ? -1 : bp[i] === preferredDoc ? 1 : 0;
      };
      return doc;
    };

    Sizzle.matches = function (expr, elements) {
      return Sizzle(expr, null, null, elements);
    };

    Sizzle.matchesSelector = function (elem, expr) {
      // Set document vars if needed
      if ((elem.ownerDocument || elem) !== document) {
        setDocument(elem);
      } // Make sure that attribute selectors are quoted


      expr = expr.replace(rattributeQuotes, "='$1']");

      if (support.matchesSelector && documentIsHTML && (!rbuggyMatches || !rbuggyMatches.test(expr)) && (!rbuggyQSA || !rbuggyQSA.test(expr))) {
        try {
          var ret = matches.call(elem, expr); // IE 9's matchesSelector returns false on disconnected nodes

          if (ret || support.disconnectedMatch || // As well, disconnected nodes are said to be in a document
          // fragment in IE 9
          elem.document && elem.document.nodeType !== 11) {
            return ret;
          }
        } catch (e) {}
      }

      return Sizzle(expr, document, null, [elem]).length > 0;
    };

    Sizzle.contains = function (context, elem) {
      // Set document vars if needed
      if ((context.ownerDocument || context) !== document) {
        setDocument(context);
      }

      return contains(context, elem);
    };

    Sizzle.attr = function (elem, name) {
      // Set document vars if needed
      if ((elem.ownerDocument || elem) !== document) {
        setDocument(elem);
      }

      var fn = Expr.attrHandle[name.toLowerCase()],
          // Don't get fooled by Object.prototype properties (jQuery #13807)
      val = fn && hasOwn.call(Expr.attrHandle, name.toLowerCase()) ? fn(elem, name, !documentIsHTML) : undefined;
      return val !== undefined ? val : support.attributes || !documentIsHTML ? elem.getAttribute(name) : (val = elem.getAttributeNode(name)) && val.specified ? val.value : null;
    };

    Sizzle.error = function (msg) {
      throw new Error("Syntax error, unrecognized expression: " + msg);
    };
    /**
     * Document sorting and removing duplicates
     * @param {ArrayLike} results
     */


    Sizzle.uniqueSort = function (results) {
      var elem,
          duplicates = [],
          j = 0,
          i = 0; // Unless we *know* we can detect duplicates, assume their presence

      hasDuplicate = !support.detectDuplicates;
      sortInput = !support.sortStable && results.slice(0);
      results.sort(sortOrder);

      if (hasDuplicate) {
        while (elem = results[i++]) {
          if (elem === results[i]) {
            j = duplicates.push(i);
          }
        }

        while (j--) {
          results.splice(duplicates[j], 1);
        }
      } // Clear input after sorting to release objects
      // See https://github.com/jquery/sizzle/pull/225


      sortInput = null;
      return results;
    };
    /**
     * Utility function for retrieving the text value of an array of DOM nodes
     * @param {Array|Element} elem
     */


    getText = Sizzle.getText = function (elem) {
      var node,
          ret = "",
          i = 0,
          nodeType = elem.nodeType;

      if (!nodeType) {
        // If no nodeType, this is expected to be an array
        while (node = elem[i++]) {
          // Do not traverse comment nodes
          ret += getText(node);
        }
      } else if (nodeType === 1 || nodeType === 9 || nodeType === 11) {
        // Use textContent for elements
        // innerText usage removed for consistency of new lines (jQuery #11153)
        if (typeof elem.textContent === "string") {
          return elem.textContent;
        } else {
          // Traverse its children
          for (elem = elem.firstChild; elem; elem = elem.nextSibling) {
            ret += getText(elem);
          }
        }
      } else if (nodeType === 3 || nodeType === 4) {
        return elem.nodeValue;
      } // Do not include comment or processing instruction nodes


      return ret;
    };

    Expr = Sizzle.selectors = {
      // Can be adjusted by the user
      cacheLength: 50,
      createPseudo: markFunction,
      match: matchExpr,
      attrHandle: {},
      find: {},
      relative: {
        ">": {
          dir: "parentNode",
          first: true
        },
        " ": {
          dir: "parentNode"
        },
        "+": {
          dir: "previousSibling",
          first: true
        },
        "~": {
          dir: "previousSibling"
        }
      },
      preFilter: {
        "ATTR": function ATTR(match) {
          match[1] = match[1].replace(runescape, funescape); // Move the given value to match[3] whether quoted or unquoted

          match[3] = (match[4] || match[5] || "").replace(runescape, funescape);

          if (match[2] === "~=") {
            match[3] = " " + match[3] + " ";
          }

          return match.slice(0, 4);
        },
        "CHILD": function CHILD(match) {
          /* matches from matchExpr["CHILD"]
          	1 type (only|nth|...)
          	2 what (child|of-type)
          	3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
          	4 xn-component of xn+y argument ([+-]?\d*n|)
          	5 sign of xn-component
          	6 x of xn-component
          	7 sign of y-component
          	8 y of y-component
          */
          match[1] = match[1].toLowerCase();

          if (match[1].slice(0, 3) === "nth") {
            // nth-* requires argument
            if (!match[3]) {
              Sizzle.error(match[0]);
            } // numeric x and y parameters for Expr.filter.CHILD
            // remember that false/true cast respectively to 0/1


            match[4] = +(match[4] ? match[5] + (match[6] || 1) : 2 * (match[3] === "even" || match[3] === "odd"));
            match[5] = +(match[7] + match[8] || match[3] === "odd"); // other types prohibit arguments
          } else if (match[3]) {
            Sizzle.error(match[0]);
          }

          return match;
        },
        "PSEUDO": function PSEUDO(match) {
          var excess,
              unquoted = !match[5] && match[2];

          if (matchExpr["CHILD"].test(match[0])) {
            return null;
          } // Accept quoted arguments as-is


          if (match[3] && match[4] !== undefined) {
            match[2] = match[4]; // Strip excess characters from unquoted arguments
          } else if (unquoted && rpseudo.test(unquoted) && ( // Get excess from tokenize (recursively)
          excess = tokenize(unquoted, true)) && ( // advance to the next closing parenthesis
          excess = unquoted.indexOf(")", unquoted.length - excess) - unquoted.length)) {
            // excess is a negative index
            match[0] = match[0].slice(0, excess);
            match[2] = unquoted.slice(0, excess);
          } // Return only captures needed by the pseudo filter method (type and argument)


          return match.slice(0, 3);
        }
      },
      filter: {
        "TAG": function TAG(nodeNameSelector) {
          var nodeName = nodeNameSelector.replace(runescape, funescape).toLowerCase();
          return nodeNameSelector === "*" ? function () {
            return true;
          } : function (elem) {
            return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
          };
        },
        "CLASS": function CLASS(className) {
          var pattern = classCache[className + " "];
          return pattern || (pattern = new RegExp("(^|" + whitespace + ")" + className + "(" + whitespace + "|$)")) && classCache(className, function (elem) {
            return pattern.test(typeof elem.className === "string" && elem.className || _typeof(elem.getAttribute) !== strundefined && elem.getAttribute("class") || "");
          });
        },
        "ATTR": function ATTR(name, operator, check) {
          return function (elem) {
            var result = Sizzle.attr(elem, name);

            if (result == null) {
              return operator === "!=";
            }

            if (!operator) {
              return true;
            }

            result += "";
            return operator === "=" ? result === check : operator === "!=" ? result !== check : operator === "^=" ? check && result.indexOf(check) === 0 : operator === "*=" ? check && result.indexOf(check) > -1 : operator === "$=" ? check && result.slice(-check.length) === check : operator === "~=" ? (" " + result + " ").indexOf(check) > -1 : operator === "|=" ? result === check || result.slice(0, check.length + 1) === check + "-" : false;
          };
        },
        "CHILD": function CHILD(type, what, argument, first, last) {
          var simple = type.slice(0, 3) !== "nth",
              forward = type.slice(-4) !== "last",
              ofType = what === "of-type";
          return first === 1 && last === 0 ? // Shortcut for :nth-*(n)
          function (elem) {
            return !!elem.parentNode;
          } : function (elem, context, xml) {
            var cache,
                outerCache,
                node,
                diff,
                nodeIndex,
                start,
                dir = simple !== forward ? "nextSibling" : "previousSibling",
                parent = elem.parentNode,
                name = ofType && elem.nodeName.toLowerCase(),
                useCache = !xml && !ofType;

            if (parent) {
              // :(first|last|only)-(child|of-type)
              if (simple) {
                while (dir) {
                  node = elem;

                  while (node = node[dir]) {
                    if (ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1) {
                      return false;
                    }
                  } // Reverse direction for :only-* (if we haven't yet done so)


                  start = dir = type === "only" && !start && "nextSibling";
                }

                return true;
              }

              start = [forward ? parent.firstChild : parent.lastChild]; // non-xml :nth-child(...) stores cache data on `parent`

              if (forward && useCache) {
                // Seek `elem` from a previously-cached index
                outerCache = parent[expando] || (parent[expando] = {});
                cache = outerCache[type] || [];
                nodeIndex = cache[0] === dirruns && cache[1];
                diff = cache[0] === dirruns && cache[2];
                node = nodeIndex && parent.childNodes[nodeIndex];

                while (node = ++nodeIndex && node && node[dir] || ( // Fallback to seeking `elem` from the start
                diff = nodeIndex = 0) || start.pop()) {
                  // When found, cache indexes on `parent` and break
                  if (node.nodeType === 1 && ++diff && node === elem) {
                    outerCache[type] = [dirruns, nodeIndex, diff];
                    break;
                  }
                } // Use previously-cached element index if available

              } else if (useCache && (cache = (elem[expando] || (elem[expando] = {}))[type]) && cache[0] === dirruns) {
                diff = cache[1]; // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
              } else {
                // Use the same loop as above to seek `elem` from the start
                while (node = ++nodeIndex && node && node[dir] || (diff = nodeIndex = 0) || start.pop()) {
                  if ((ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1) && ++diff) {
                    // Cache the index of each encountered element
                    if (useCache) {
                      (node[expando] || (node[expando] = {}))[type] = [dirruns, diff];
                    }

                    if (node === elem) {
                      break;
                    }
                  }
                }
              } // Incorporate the offset, then check against cycle size


              diff -= last;
              return diff === first || diff % first === 0 && diff / first >= 0;
            }
          };
        },
        "PSEUDO": function PSEUDO(pseudo, argument) {
          // pseudo-class names are case-insensitive
          // http://www.w3.org/TR/selectors/#pseudo-classes
          // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
          // Remember that setFilters inherits from pseudos
          var args,
              fn = Expr.pseudos[pseudo] || Expr.setFilters[pseudo.toLowerCase()] || Sizzle.error("unsupported pseudo: " + pseudo); // The user may use createPseudo to indicate that
          // arguments are needed to create the filter function
          // just as Sizzle does

          if (fn[expando]) {
            return fn(argument);
          } // But maintain support for old signatures


          if (fn.length > 1) {
            args = [pseudo, pseudo, "", argument];
            return Expr.setFilters.hasOwnProperty(pseudo.toLowerCase()) ? markFunction(function (seed, matches) {
              var idx,
                  matched = fn(seed, argument),
                  i = matched.length;

              while (i--) {
                idx = indexOf.call(seed, matched[i]);
                seed[idx] = !(matches[idx] = matched[i]);
              }
            }) : function (elem) {
              return fn(elem, 0, args);
            };
          }

          return fn;
        }
      },
      pseudos: {
        // Potentially complex pseudos
        "not": markFunction(function (selector) {
          // Trim the selector passed to compile
          // to avoid treating leading and trailing
          // spaces as combinators
          var input = [],
              results = [],
              matcher = compile(selector.replace(rtrim, "$1"));
          return matcher[expando] ? markFunction(function (seed, matches, context, xml) {
            var elem,
                unmatched = matcher(seed, null, xml, []),
                i = seed.length; // Match elements unmatched by `matcher`

            while (i--) {
              if (elem = unmatched[i]) {
                seed[i] = !(matches[i] = elem);
              }
            }
          }) : function (elem, context, xml) {
            input[0] = elem;
            matcher(input, null, xml, results);
            return !results.pop();
          };
        }),
        "has": markFunction(function (selector) {
          return function (elem) {
            return Sizzle(selector, elem).length > 0;
          };
        }),
        "contains": markFunction(function (text) {
          return function (elem) {
            return (elem.textContent || elem.innerText || getText(elem)).indexOf(text) > -1;
          };
        }),
        // "Whether an element is represented by a :lang() selector
        // is based solely on the element's language value
        // being equal to the identifier C,
        // or beginning with the identifier C immediately followed by "-".
        // The matching of C against the element's language value is performed case-insensitively.
        // The identifier C does not have to be a valid language name."
        // http://www.w3.org/TR/selectors/#lang-pseudo
        "lang": markFunction(function (lang) {
          // lang value must be a valid identifier
          if (!ridentifier.test(lang || "")) {
            Sizzle.error("unsupported lang: " + lang);
          }

          lang = lang.replace(runescape, funescape).toLowerCase();
          return function (elem) {
            var elemLang;

            do {
              if (elemLang = documentIsHTML ? elem.lang : elem.getAttribute("xml:lang") || elem.getAttribute("lang")) {
                elemLang = elemLang.toLowerCase();
                return elemLang === lang || elemLang.indexOf(lang + "-") === 0;
              }
            } while ((elem = elem.parentNode) && elem.nodeType === 1);

            return false;
          };
        }),
        // Miscellaneous
        "target": function target(elem) {
          var hash = window.location && window.location.hash;
          return hash && hash.slice(1) === elem.id;
        },
        "root": function root(elem) {
          return elem === docElem;
        },
        "focus": function focus(elem) {
          return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
        },
        // Boolean properties
        "enabled": function enabled(elem) {
          return elem.disabled === false;
        },
        "disabled": function disabled(elem) {
          return elem.disabled === true;
        },
        "checked": function checked(elem) {
          // In CSS3, :checked should return both checked and selected elements
          // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
          var nodeName = elem.nodeName.toLowerCase();
          return nodeName === "input" && !!elem.checked || nodeName === "option" && !!elem.selected;
        },
        "selected": function selected(elem) {
          // Accessing this property makes selected-by-default
          // options in Safari work properly
          if (elem.parentNode) {
            elem.parentNode.selectedIndex;
          }

          return elem.selected === true;
        },
        // Contents
        "empty": function empty(elem) {
          // http://www.w3.org/TR/selectors/#empty-pseudo
          // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
          //   but not by others (comment: 8; processing instruction: 7; etc.)
          // nodeType < 6 works because attributes (2) do not appear as children
          for (elem = elem.firstChild; elem; elem = elem.nextSibling) {
            if (elem.nodeType < 6) {
              return false;
            }
          }

          return true;
        },
        "parent": function parent(elem) {
          return !Expr.pseudos["empty"](elem);
        },
        // Element/input types
        "header": function header(elem) {
          return rheader.test(elem.nodeName);
        },
        "input": function input(elem) {
          return rinputs.test(elem.nodeName);
        },
        "button": function button(elem) {
          var name = elem.nodeName.toLowerCase();
          return name === "input" && elem.type === "button" || name === "button";
        },
        "text": function text(elem) {
          var attr;
          return elem.nodeName.toLowerCase() === "input" && elem.type === "text" && ( // Support: IE<8
          // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
          (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text");
        },
        // Position-in-collection
        "first": createPositionalPseudo(function () {
          return [0];
        }),
        "last": createPositionalPseudo(function (matchIndexes, length) {
          return [length - 1];
        }),
        "eq": createPositionalPseudo(function (matchIndexes, length, argument) {
          return [argument < 0 ? argument + length : argument];
        }),
        "even": createPositionalPseudo(function (matchIndexes, length) {
          var i = 0;

          for (; i < length; i += 2) {
            matchIndexes.push(i);
          }

          return matchIndexes;
        }),
        "odd": createPositionalPseudo(function (matchIndexes, length) {
          var i = 1;

          for (; i < length; i += 2) {
            matchIndexes.push(i);
          }

          return matchIndexes;
        }),
        "lt": createPositionalPseudo(function (matchIndexes, length, argument) {
          var i = argument < 0 ? argument + length : argument;

          for (; --i >= 0;) {
            matchIndexes.push(i);
          }

          return matchIndexes;
        }),
        "gt": createPositionalPseudo(function (matchIndexes, length, argument) {
          var i = argument < 0 ? argument + length : argument;

          for (; ++i < length;) {
            matchIndexes.push(i);
          }

          return matchIndexes;
        })
      }
    };
    Expr.pseudos["nth"] = Expr.pseudos["eq"]; // Add button/input type pseudos

    for (i in {
      radio: true,
      checkbox: true,
      file: true,
      password: true,
      image: true
    }) {
      Expr.pseudos[i] = createInputPseudo(i);
    }

    for (i in {
      submit: true,
      reset: true
    }) {
      Expr.pseudos[i] = createButtonPseudo(i);
    } // Easy API for creating new setFilters


    function setFilters() {}

    setFilters.prototype = Expr.filters = Expr.pseudos;
    Expr.setFilters = new setFilters();

    function tokenize(selector, parseOnly) {
      var matched,
          match,
          tokens,
          type,
          soFar,
          groups,
          preFilters,
          cached = tokenCache[selector + " "];

      if (cached) {
        return parseOnly ? 0 : cached.slice(0);
      }

      soFar = selector;
      groups = [];
      preFilters = Expr.preFilter;

      while (soFar) {
        // Comma and first run
        if (!matched || (match = rcomma.exec(soFar))) {
          if (match) {
            // Don't consume trailing commas as valid
            soFar = soFar.slice(match[0].length) || soFar;
          }

          groups.push(tokens = []);
        }

        matched = false; // Combinators

        if (match = rcombinators.exec(soFar)) {
          matched = match.shift();
          tokens.push({
            value: matched,
            // Cast descendant combinators to space
            type: match[0].replace(rtrim, " ")
          });
          soFar = soFar.slice(matched.length);
        } // Filters


        for (type in Expr.filter) {
          if ((match = matchExpr[type].exec(soFar)) && (!preFilters[type] || (match = preFilters[type](match)))) {
            matched = match.shift();
            tokens.push({
              value: matched,
              type: type,
              matches: match
            });
            soFar = soFar.slice(matched.length);
          }
        }

        if (!matched) {
          break;
        }
      } // Return the length of the invalid excess
      // if we're just parsing
      // Otherwise, throw an error or return tokens


      return parseOnly ? soFar.length : soFar ? Sizzle.error(selector) : // Cache the tokens
      tokenCache(selector, groups).slice(0);
    }

    function toSelector(tokens) {
      var i = 0,
          len = tokens.length,
          selector = "";

      for (; i < len; i++) {
        selector += tokens[i].value;
      }

      return selector;
    }

    function addCombinator(matcher, combinator, base) {
      var dir = combinator.dir,
          checkNonElements = base && dir === "parentNode",
          doneName = done++;
      return combinator.first ? // Check against closest ancestor/preceding element
      function (elem, context, xml) {
        while (elem = elem[dir]) {
          if (elem.nodeType === 1 || checkNonElements) {
            return matcher(elem, context, xml);
          }
        }
      } : // Check against all ancestor/preceding elements
      function (elem, context, xml) {
        var oldCache,
            outerCache,
            newCache = [dirruns, doneName]; // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching

        if (xml) {
          while (elem = elem[dir]) {
            if (elem.nodeType === 1 || checkNonElements) {
              if (matcher(elem, context, xml)) {
                return true;
              }
            }
          }
        } else {
          while (elem = elem[dir]) {
            if (elem.nodeType === 1 || checkNonElements) {
              outerCache = elem[expando] || (elem[expando] = {});

              if ((oldCache = outerCache[dir]) && oldCache[0] === dirruns && oldCache[1] === doneName) {
                // Assign to newCache so results back-propagate to previous elements
                return newCache[2] = oldCache[2];
              } else {
                // Reuse newcache so results back-propagate to previous elements
                outerCache[dir] = newCache; // A match means we're done; a fail means we have to keep checking

                if (newCache[2] = matcher(elem, context, xml)) {
                  return true;
                }
              }
            }
          }
        }
      };
    }

    function elementMatcher(matchers) {
      return matchers.length > 1 ? function (elem, context, xml) {
        var i = matchers.length;

        while (i--) {
          if (!matchers[i](elem, context, xml)) {
            return false;
          }
        }

        return true;
      } : matchers[0];
    }

    function condense(unmatched, map, filter, context, xml) {
      var elem,
          newUnmatched = [],
          i = 0,
          len = unmatched.length,
          mapped = map != null;

      for (; i < len; i++) {
        if (elem = unmatched[i]) {
          if (!filter || filter(elem, context, xml)) {
            newUnmatched.push(elem);

            if (mapped) {
              map.push(i);
            }
          }
        }
      }

      return newUnmatched;
    }

    function setMatcher(preFilter, selector, matcher, postFilter, postFinder, postSelector) {
      if (postFilter && !postFilter[expando]) {
        postFilter = setMatcher(postFilter);
      }

      if (postFinder && !postFinder[expando]) {
        postFinder = setMatcher(postFinder, postSelector);
      }

      return markFunction(function (seed, results, context, xml) {
        var temp,
            i,
            elem,
            preMap = [],
            postMap = [],
            preexisting = results.length,
            // Get initial elements from seed or context
        elems = seed || multipleContexts(selector || "*", context.nodeType ? [context] : context, []),
            // Prefilter to get matcher input, preserving a map for seed-results synchronization
        matcherIn = preFilter && (seed || !selector) ? condense(elems, preMap, preFilter, context, xml) : elems,
            matcherOut = matcher ? // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
        postFinder || (seed ? preFilter : preexisting || postFilter) ? // ...intermediate processing is necessary
        [] : // ...otherwise use results directly
        results : matcherIn; // Find primary matches

        if (matcher) {
          matcher(matcherIn, matcherOut, context, xml);
        } // Apply postFilter


        if (postFilter) {
          temp = condense(matcherOut, postMap);
          postFilter(temp, [], context, xml); // Un-match failing elements by moving them back to matcherIn

          i = temp.length;

          while (i--) {
            if (elem = temp[i]) {
              matcherOut[postMap[i]] = !(matcherIn[postMap[i]] = elem);
            }
          }
        }

        if (seed) {
          if (postFinder || preFilter) {
            if (postFinder) {
              // Get the final matcherOut by condensing this intermediate into postFinder contexts
              temp = [];
              i = matcherOut.length;

              while (i--) {
                if (elem = matcherOut[i]) {
                  // Restore matcherIn since elem is not yet a final match
                  temp.push(matcherIn[i] = elem);
                }
              }

              postFinder(null, matcherOut = [], temp, xml);
            } // Move matched elements from seed to results to keep them synchronized


            i = matcherOut.length;

            while (i--) {
              if ((elem = matcherOut[i]) && (temp = postFinder ? indexOf.call(seed, elem) : preMap[i]) > -1) {
                seed[temp] = !(results[temp] = elem);
              }
            }
          } // Add elements to results, through postFinder if defined

        } else {
          matcherOut = condense(matcherOut === results ? matcherOut.splice(preexisting, matcherOut.length) : matcherOut);

          if (postFinder) {
            postFinder(null, results, matcherOut, xml);
          } else {
            push.apply(results, matcherOut);
          }
        }
      });
    }

    function matcherFromTokens(tokens) {
      var checkContext,
          matcher,
          j,
          len = tokens.length,
          leadingRelative = Expr.relative[tokens[0].type],
          implicitRelative = leadingRelative || Expr.relative[" "],
          i = leadingRelative ? 1 : 0,
          // The foundational matcher ensures that elements are reachable from top-level context(s)
      matchContext = addCombinator(function (elem) {
        return elem === checkContext;
      }, implicitRelative, true),
          matchAnyContext = addCombinator(function (elem) {
        return indexOf.call(checkContext, elem) > -1;
      }, implicitRelative, true),
          matchers = [function (elem, context, xml) {
        return !leadingRelative && (xml || context !== outermostContext) || ((checkContext = context).nodeType ? matchContext(elem, context, xml) : matchAnyContext(elem, context, xml));
      }];

      for (; i < len; i++) {
        if (matcher = Expr.relative[tokens[i].type]) {
          matchers = [addCombinator(elementMatcher(matchers), matcher)];
        } else {
          matcher = Expr.filter[tokens[i].type].apply(null, tokens[i].matches); // Return special upon seeing a positional matcher

          if (matcher[expando]) {
            // Find the next relative operator (if any) for proper handling
            j = ++i;

            for (; j < len; j++) {
              if (Expr.relative[tokens[j].type]) {
                break;
              }
            }

            return setMatcher(i > 1 && elementMatcher(matchers), i > 1 && toSelector( // If the preceding token was a descendant combinator, insert an implicit any-element `*`
            tokens.slice(0, i - 1).concat({
              value: tokens[i - 2].type === " " ? "*" : ""
            })).replace(rtrim, "$1"), matcher, i < j && matcherFromTokens(tokens.slice(i, j)), j < len && matcherFromTokens(tokens = tokens.slice(j)), j < len && toSelector(tokens));
          }

          matchers.push(matcher);
        }
      }

      return elementMatcher(matchers);
    }

    function matcherFromGroupMatchers(elementMatchers, setMatchers) {
      var bySet = setMatchers.length > 0,
          byElement = elementMatchers.length > 0,
          superMatcher = function superMatcher(seed, context, xml, results, outermost) {
        var elem,
            j,
            matcher,
            matchedCount = 0,
            i = "0",
            unmatched = seed && [],
            setMatched = [],
            contextBackup = outermostContext,
            // We must always have either seed elements or outermost context
        elems = seed || byElement && Expr.find["TAG"]("*", outermost),
            // Use integer dirruns iff this is the outermost matcher
        dirrunsUnique = dirruns += contextBackup == null ? 1 : Math.random() || 0.1,
            len = elems.length;

        if (outermost) {
          outermostContext = context !== document && context;
        } // Add elements passing elementMatchers directly to results
        // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
        // Support: IE<9, Safari
        // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id


        for (; i !== len && (elem = elems[i]) != null; i++) {
          if (byElement && elem) {
            j = 0;

            while (matcher = elementMatchers[j++]) {
              if (matcher(elem, context, xml)) {
                results.push(elem);
                break;
              }
            }

            if (outermost) {
              dirruns = dirrunsUnique;
            }
          } // Track unmatched elements for set filters


          if (bySet) {
            // They will have gone through all possible matchers
            if (elem = !matcher && elem) {
              matchedCount--;
            } // Lengthen the array for every element, matched or not


            if (seed) {
              unmatched.push(elem);
            }
          }
        } // Apply set filters to unmatched elements


        matchedCount += i;

        if (bySet && i !== matchedCount) {
          j = 0;

          while (matcher = setMatchers[j++]) {
            matcher(unmatched, setMatched, context, xml);
          }

          if (seed) {
            // Reintegrate element matches to eliminate the need for sorting
            if (matchedCount > 0) {
              while (i--) {
                if (!(unmatched[i] || setMatched[i])) {
                  setMatched[i] = pop.call(results);
                }
              }
            } // Discard index placeholder values to get only actual matches


            setMatched = condense(setMatched);
          } // Add matches to results


          push.apply(results, setMatched); // Seedless set matches succeeding multiple successful matchers stipulate sorting

          if (outermost && !seed && setMatched.length > 0 && matchedCount + setMatchers.length > 1) {
            Sizzle.uniqueSort(results);
          }
        } // Override manipulation of globals by nested matchers


        if (outermost) {
          dirruns = dirrunsUnique;
          outermostContext = contextBackup;
        }

        return unmatched;
      };

      return bySet ? markFunction(superMatcher) : superMatcher;
    }

    compile = Sizzle.compile = function (selector, group
    /* Internal Use Only */
    ) {
      var i,
          setMatchers = [],
          elementMatchers = [],
          cached = compilerCache[selector + " "];

      if (!cached) {
        // Generate a function of recursive functions that can be used to check each element
        if (!group) {
          group = tokenize(selector);
        }

        i = group.length;

        while (i--) {
          cached = matcherFromTokens(group[i]);

          if (cached[expando]) {
            setMatchers.push(cached);
          } else {
            elementMatchers.push(cached);
          }
        } // Cache the compiled function


        cached = compilerCache(selector, matcherFromGroupMatchers(elementMatchers, setMatchers));
      }

      return cached;
    };

    function multipleContexts(selector, contexts, results) {
      var i = 0,
          len = contexts.length;

      for (; i < len; i++) {
        Sizzle(selector, contexts[i], results);
      }

      return results;
    }

    function select(selector, context, results, seed) {
      var i,
          tokens,
          token,
          type,
          find,
          match = tokenize(selector);

      if (!seed) {
        // Try to minimize operations if there is only one group
        if (match.length === 1) {
          // Take a shortcut and set the context if the root selector is an ID
          tokens = match[0] = match[0].slice(0);

          if (tokens.length > 2 && (token = tokens[0]).type === "ID" && support.getById && context.nodeType === 9 && documentIsHTML && Expr.relative[tokens[1].type]) {
            context = (Expr.find["ID"](token.matches[0].replace(runescape, funescape), context) || [])[0];

            if (!context) {
              return results;
            }

            selector = selector.slice(tokens.shift().value.length);
          } // Fetch a seed set for right-to-left matching


          i = matchExpr["needsContext"].test(selector) ? 0 : tokens.length;

          while (i--) {
            token = tokens[i]; // Abort if we hit a combinator

            if (Expr.relative[type = token.type]) {
              break;
            }

            if (find = Expr.find[type]) {
              // Search, expanding context for leading sibling combinators
              if (seed = find(token.matches[0].replace(runescape, funescape), rsibling.test(tokens[0].type) && testContext(context.parentNode) || context)) {
                // If seed is empty or no tokens remain, we can return early
                tokens.splice(i, 1);
                selector = seed.length && toSelector(tokens);

                if (!selector) {
                  push.apply(results, seed);
                  return results;
                }

                break;
              }
            }
          }
        }
      } // Compile and execute a filtering function
      // Provide `match` to avoid retokenization if we modified the selector above


      compile(selector, match)(seed, context, !documentIsHTML, results, rsibling.test(selector) && testContext(context.parentNode) || context);
      return results;
    } // One-time assignments
    // Sort stability


    support.sortStable = expando.split("").sort(sortOrder).join("") === expando; // Support: Chrome<14
    // Always assume duplicates if they aren't passed to the comparison function

    support.detectDuplicates = !!hasDuplicate; // Initialize against the default document

    setDocument(); // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
    // Detached nodes confoundingly follow *each other*

    support.sortDetached = assert(function (div1) {
      // Should return 1, but returns 4 (following)
      return div1.compareDocumentPosition(document.createElement("div")) & 1;
    }); // Support: IE<8
    // Prevent attribute/property "interpolation"
    // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx

    if (!assert(function (div) {
      div.innerHTML = "<a href='#'></a>";
      return div.firstChild.getAttribute("href") === "#";
    })) {
      addHandle("type|href|height|width", function (elem, name, isXML) {
        if (!isXML) {
          return elem.getAttribute(name, name.toLowerCase() === "type" ? 1 : 2);
        }
      });
    } // Support: IE<9
    // Use defaultValue in place of getAttribute("value")


    if (!support.attributes || !assert(function (div) {
      div.innerHTML = "<input/>";
      div.firstChild.setAttribute("value", "");
      return div.firstChild.getAttribute("value") === "";
    })) {
      addHandle("value", function (elem, name, isXML) {
        if (!isXML && elem.nodeName.toLowerCase() === "input") {
          return elem.defaultValue;
        }
      });
    } // Support: IE<9
    // Use getAttributeNode to fetch booleans when getAttribute lies


    if (!assert(function (div) {
      return div.getAttribute("disabled") == null;
    })) {
      addHandle(booleans, function (elem, name, isXML) {
        var val;

        if (!isXML) {
          return elem[name] === true ? name.toLowerCase() : (val = elem.getAttributeNode(name)) && val.specified ? val.value : null;
        }
      });
    }

    return Sizzle;
  }(window);

  jQuery.find = Sizzle;
  jQuery.expr = Sizzle.selectors;
  jQuery.expr[":"] = jQuery.expr.pseudos;
  jQuery.unique = Sizzle.uniqueSort;
  jQuery.text = Sizzle.getText;
  jQuery.isXMLDoc = Sizzle.isXML;
  jQuery.contains = Sizzle.contains;
  var rneedsContext = jQuery.expr.match.needsContext;
  var rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/;
  var risSimple = /^.[^:#\[\.,]*$/; // Implement the identical functionality for filter and not

  function winnow(elements, qualifier, not) {
    if (jQuery.isFunction(qualifier)) {
      return jQuery.grep(elements, function (elem, i) {
        /* jshint -W018 */
        return !!qualifier.call(elem, i, elem) !== not;
      });
    }

    if (qualifier.nodeType) {
      return jQuery.grep(elements, function (elem) {
        return elem === qualifier !== not;
      });
    }

    if (typeof qualifier === "string") {
      if (risSimple.test(qualifier)) {
        return jQuery.filter(qualifier, elements, not);
      }

      qualifier = jQuery.filter(qualifier, elements);
    }

    return jQuery.grep(elements, function (elem) {
      return jQuery.inArray(elem, qualifier) >= 0 !== not;
    });
  }

  jQuery.filter = function (expr, elems, not) {
    var elem = elems[0];

    if (not) {
      expr = ":not(" + expr + ")";
    }

    return elems.length === 1 && elem.nodeType === 1 ? jQuery.find.matchesSelector(elem, expr) ? [elem] : [] : jQuery.find.matches(expr, jQuery.grep(elems, function (elem) {
      return elem.nodeType === 1;
    }));
  };

  jQuery.fn.extend({
    find: function find(selector) {
      var i,
          ret = [],
          self = this,
          len = self.length;

      if (typeof selector !== "string") {
        return this.pushStack(jQuery(selector).filter(function () {
          for (i = 0; i < len; i++) {
            if (jQuery.contains(self[i], this)) {
              return true;
            }
          }
        }));
      }

      for (i = 0; i < len; i++) {
        jQuery.find(selector, self[i], ret);
      } // Needed because $( selector, context ) becomes $( context ).find( selector )


      ret = this.pushStack(len > 1 ? jQuery.unique(ret) : ret);
      ret.selector = this.selector ? this.selector + " " + selector : selector;
      return ret;
    },
    filter: function filter(selector) {
      return this.pushStack(winnow(this, selector || [], false));
    },
    not: function not(selector) {
      return this.pushStack(winnow(this, selector || [], true));
    },
    is: function is(selector) {
      return !!winnow(this, // If this is a positional/relative selector, check membership in the returned set
      // so $("p:first").is("p:last") won't return true for a doc with two "p".
      typeof selector === "string" && rneedsContext.test(selector) ? jQuery(selector) : selector || [], false).length;
    }
  }); // Initialize a jQuery object
  // A central reference to the root jQuery(document)

  var rootjQuery,
      // Use the correct document accordingly with window argument (sandbox)
  document = window.document,
      // A simple way to check for HTML strings
  // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
  // Strict HTML recognition (#11290: must start with <)
  rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
      init = jQuery.fn.init = function (selector, context) {
    var match, elem; // HANDLE: $(""), $(null), $(undefined), $(false)

    if (!selector) {
      return this;
    } // Handle HTML strings


    if (typeof selector === "string") {
      if (selector.charAt(0) === "<" && selector.charAt(selector.length - 1) === ">" && selector.length >= 3) {
        // Assume that strings that start and end with <> are HTML and skip the regex check
        match = [null, selector, null];
      } else {
        match = rquickExpr.exec(selector);
      } // Match html or make sure no context is specified for #id


      if (match && (match[1] || !context)) {
        // HANDLE: $(html) -> $(array)
        if (match[1]) {
          context = context instanceof jQuery ? context[0] : context; // scripts is true for back-compat
          // Intentionally let the error be thrown if parseHTML is not present

          jQuery.merge(this, jQuery.parseHTML(match[1], context && context.nodeType ? context.ownerDocument || context : document, true)); // HANDLE: $(html, props)

          if (rsingleTag.test(match[1]) && jQuery.isPlainObject(context)) {
            for (match in context) {
              // Properties of context are called as methods if possible
              if (jQuery.isFunction(this[match])) {
                this[match](context[match]); // ...and otherwise set as attributes
              } else {
                this.attr(match, context[match]);
              }
            }
          }

          return this; // HANDLE: $(#id)
        } else {
          elem = document.getElementById(match[2]); // Check parentNode to catch when Blackberry 4.6 returns
          // nodes that are no longer in the document #6963

          if (elem && elem.parentNode) {
            // Handle the case where IE and Opera return items
            // by name instead of ID
            if (elem.id !== match[2]) {
              return rootjQuery.find(selector);
            } // Otherwise, we inject the element directly into the jQuery object


            this.length = 1;
            this[0] = elem;
          }

          this.context = document;
          this.selector = selector;
          return this;
        } // HANDLE: $(expr, $(...))

      } else if (!context || context.jquery) {
        return (context || rootjQuery).find(selector); // HANDLE: $(expr, context)
        // (which is just equivalent to: $(context).find(expr)
      } else {
        return this.constructor(context).find(selector);
      } // HANDLE: $(DOMElement)

    } else if (selector.nodeType) {
      this.context = this[0] = selector;
      this.length = 1;
      return this; // HANDLE: $(function)
      // Shortcut for document ready
    } else if (jQuery.isFunction(selector)) {
      return typeof rootjQuery.ready !== "undefined" ? rootjQuery.ready(selector) : // Execute immediately if ready is not present
      selector(jQuery);
    }

    if (selector.selector !== undefined) {
      this.selector = selector.selector;
      this.context = selector.context;
    }

    return jQuery.makeArray(selector, this);
  }; // Give the init function the jQuery prototype for later instantiation


  init.prototype = jQuery.fn; // Initialize central reference

  rootjQuery = jQuery(document);
  var rparentsprev = /^(?:parents|prev(?:Until|All))/,
      // methods guaranteed to produce a unique set when starting from a unique set
  guaranteedUnique = {
    children: true,
    contents: true,
    next: true,
    prev: true
  };
  jQuery.extend({
    dir: function dir(elem, _dir, until) {
      var matched = [],
          cur = elem[_dir];

      while (cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery(cur).is(until))) {
        if (cur.nodeType === 1) {
          matched.push(cur);
        }

        cur = cur[_dir];
      }

      return matched;
    },
    sibling: function sibling(n, elem) {
      var r = [];

      for (; n; n = n.nextSibling) {
        if (n.nodeType === 1 && n !== elem) {
          r.push(n);
        }
      }

      return r;
    }
  });
  jQuery.fn.extend({
    has: function has(target) {
      var i,
          targets = jQuery(target, this),
          len = targets.length;
      return this.filter(function () {
        for (i = 0; i < len; i++) {
          if (jQuery.contains(this, targets[i])) {
            return true;
          }
        }
      });
    },
    closest: function closest(selectors, context) {
      var cur,
          i = 0,
          l = this.length,
          matched = [],
          pos = rneedsContext.test(selectors) || typeof selectors !== "string" ? jQuery(selectors, context || this.context) : 0;

      for (; i < l; i++) {
        for (cur = this[i]; cur && cur !== context; cur = cur.parentNode) {
          // Always skip document fragments
          if (cur.nodeType < 11 && (pos ? pos.index(cur) > -1 : // Don't pass non-elements to Sizzle
          cur.nodeType === 1 && jQuery.find.matchesSelector(cur, selectors))) {
            matched.push(cur);
            break;
          }
        }
      }

      return this.pushStack(matched.length > 1 ? jQuery.unique(matched) : matched);
    },
    // Determine the position of an element within
    // the matched set of elements
    index: function index(elem) {
      // No argument, return index in parent
      if (!elem) {
        return this[0] && this[0].parentNode ? this.first().prevAll().length : -1;
      } // index in selector


      if (typeof elem === "string") {
        return jQuery.inArray(this[0], jQuery(elem));
      } // Locate the position of the desired element


      return jQuery.inArray( // If it receives a jQuery object, the first element is used
      elem.jquery ? elem[0] : elem, this);
    },
    add: function add(selector, context) {
      return this.pushStack(jQuery.unique(jQuery.merge(this.get(), jQuery(selector, context))));
    },
    addBack: function addBack(selector) {
      return this.add(selector == null ? this.prevObject : this.prevObject.filter(selector));
    }
  });

  function sibling(cur, dir) {
    do {
      cur = cur[dir];
    } while (cur && cur.nodeType !== 1);

    return cur;
  }

  jQuery.each({
    parent: function parent(elem) {
      var parent = elem.parentNode;
      return parent && parent.nodeType !== 11 ? parent : null;
    },
    parents: function parents(elem) {
      return jQuery.dir(elem, "parentNode");
    },
    parentsUntil: function parentsUntil(elem, i, until) {
      return jQuery.dir(elem, "parentNode", until);
    },
    next: function next(elem) {
      return sibling(elem, "nextSibling");
    },
    prev: function prev(elem) {
      return sibling(elem, "previousSibling");
    },
    nextAll: function nextAll(elem) {
      return jQuery.dir(elem, "nextSibling");
    },
    prevAll: function prevAll(elem) {
      return jQuery.dir(elem, "previousSibling");
    },
    nextUntil: function nextUntil(elem, i, until) {
      return jQuery.dir(elem, "nextSibling", until);
    },
    prevUntil: function prevUntil(elem, i, until) {
      return jQuery.dir(elem, "previousSibling", until);
    },
    siblings: function siblings(elem) {
      return jQuery.sibling((elem.parentNode || {}).firstChild, elem);
    },
    children: function children(elem) {
      return jQuery.sibling(elem.firstChild);
    },
    contents: function contents(elem) {
      return jQuery.nodeName(elem, "iframe") ? elem.contentDocument || elem.contentWindow.document : jQuery.merge([], elem.childNodes);
    }
  }, function (name, fn) {
    jQuery.fn[name] = function (until, selector) {
      var ret = jQuery.map(this, fn, until);

      if (name.slice(-5) !== "Until") {
        selector = until;
      }

      if (selector && typeof selector === "string") {
        ret = jQuery.filter(selector, ret);
      }

      if (this.length > 1) {
        // Remove duplicates
        if (!guaranteedUnique[name]) {
          ret = jQuery.unique(ret);
        } // Reverse order for parents* and prev-derivatives


        if (rparentsprev.test(name)) {
          ret = ret.reverse();
        }
      }

      return this.pushStack(ret);
    };
  });
  var rnotwhite = /\S+/g; // String to Object options format cache

  var optionsCache = {}; // Convert String-formatted options into Object-formatted ones and store in cache

  function createOptions(options) {
    var object = optionsCache[options] = {};
    jQuery.each(options.match(rnotwhite) || [], function (_, flag) {
      object[flag] = true;
    });
    return object;
  }
  /*
   * Create a callback list using the following parameters:
   *
   *	options: an optional list of space-separated options that will change how
   *			the callback list behaves or a more traditional option object
   *
   * By default a callback list will act like an event callback list and can be
   * "fired" multiple times.
   *
   * Possible options:
   *
   *	once:			will ensure the callback list can only be fired once (like a Deferred)
   *
   *	memory:			will keep track of previous values and will call any callback added
   *					after the list has been fired right away with the latest "memorized"
   *					values (like a Deferred)
   *
   *	unique:			will ensure a callback can only be added once (no duplicate in the list)
   *
   *	stopOnFalse:	interrupt callings when a callback returns false
   *
   */


  jQuery.Callbacks = function (options) {
    // Convert options from String-formatted to Object-formatted if needed
    // (we check in cache first)
    options = typeof options === "string" ? optionsCache[options] || createOptions(options) : jQuery.extend({}, options);

    var // Flag to know if list is currently firing
    firing,
        // Last fire value (for non-forgettable lists)
    memory,
        // Flag to know if list was already fired
    _fired,
        // End of the loop when firing
    firingLength,
        // Index of currently firing callback (modified by remove if needed)
    firingIndex,
        // First callback to fire (used internally by add and fireWith)
    firingStart,
        // Actual callback list
    list = [],
        // Stack of fire calls for repeatable lists
    stack = !options.once && [],
        // Fire callbacks
    fire = function fire(data) {
      memory = options.memory && data;
      _fired = true;
      firingIndex = firingStart || 0;
      firingStart = 0;
      firingLength = list.length;
      firing = true;

      for (; list && firingIndex < firingLength; firingIndex++) {
        if (list[firingIndex].apply(data[0], data[1]) === false && options.stopOnFalse) {
          memory = false; // To prevent further calls using add

          break;
        }
      }

      firing = false;

      if (list) {
        if (stack) {
          if (stack.length) {
            fire(stack.shift());
          }
        } else if (memory) {
          list = [];
        } else {
          self.disable();
        }
      }
    },
        // Actual Callbacks object
    self = {
      // Add a callback or a collection of callbacks to the list
      add: function add() {
        if (list) {
          // First, we save the current length
          var start = list.length;

          (function add(args) {
            jQuery.each(args, function (_, arg) {
              var type = jQuery.type(arg);

              if (type === "function") {
                if (!options.unique || !self.has(arg)) {
                  list.push(arg);
                }
              } else if (arg && arg.length && type !== "string") {
                // Inspect recursively
                add(arg);
              }
            });
          })(arguments); // Do we need to add the callbacks to the
          // current firing batch?


          if (firing) {
            firingLength = list.length; // With memory, if we're not firing then
            // we should call right away
          } else if (memory) {
            firingStart = start;
            fire(memory);
          }
        }

        return this;
      },
      // Remove a callback from the list
      remove: function remove() {
        if (list) {
          jQuery.each(arguments, function (_, arg) {
            var index;

            while ((index = jQuery.inArray(arg, list, index)) > -1) {
              list.splice(index, 1); // Handle firing indexes

              if (firing) {
                if (index <= firingLength) {
                  firingLength--;
                }

                if (index <= firingIndex) {
                  firingIndex--;
                }
              }
            }
          });
        }

        return this;
      },
      // Check if a given callback is in the list.
      // If no argument is given, return whether or not list has callbacks attached.
      has: function has(fn) {
        return fn ? jQuery.inArray(fn, list) > -1 : !!(list && list.length);
      },
      // Remove all callbacks from the list
      empty: function empty() {
        list = [];
        firingLength = 0;
        return this;
      },
      // Have the list do nothing anymore
      disable: function disable() {
        list = stack = memory = undefined;
        return this;
      },
      // Is it disabled?
      disabled: function disabled() {
        return !list;
      },
      // Lock the list in its current state
      lock: function lock() {
        stack = undefined;

        if (!memory) {
          self.disable();
        }

        return this;
      },
      // Is it locked?
      locked: function locked() {
        return !stack;
      },
      // Call all callbacks with the given context and arguments
      fireWith: function fireWith(context, args) {
        if (list && (!_fired || stack)) {
          args = args || [];
          args = [context, args.slice ? args.slice() : args];

          if (firing) {
            stack.push(args);
          } else {
            fire(args);
          }
        }

        return this;
      },
      // Call all the callbacks with the given arguments
      fire: function fire() {
        self.fireWith(this, arguments);
        return this;
      },
      // To know if the callbacks have already been called at least once
      fired: function fired() {
        return !!_fired;
      }
    };

    return self;
  };

  jQuery.extend({
    Deferred: function Deferred(func) {
      var tuples = [// action, add listener, listener list, final state
      ["resolve", "done", jQuery.Callbacks("once memory"), "resolved"], ["reject", "fail", jQuery.Callbacks("once memory"), "rejected"], ["notify", "progress", jQuery.Callbacks("memory")]],
          _state = "pending",
          _promise = {
        state: function state() {
          return _state;
        },
        always: function always() {
          deferred.done(arguments).fail(arguments);
          return this;
        },
        then: function then()
        /* fnDone, fnFail, fnProgress */
        {
          var fns = arguments;
          return jQuery.Deferred(function (newDefer) {
            jQuery.each(tuples, function (i, tuple) {
              var fn = jQuery.isFunction(fns[i]) && fns[i]; // deferred[ done | fail | progress ] for forwarding actions to newDefer

              deferred[tuple[1]](function () {
                var returned = fn && fn.apply(this, arguments);

                if (returned && jQuery.isFunction(returned.promise)) {
                  returned.promise().done(newDefer.resolve).fail(newDefer.reject).progress(newDefer.notify);
                } else {
                  newDefer[tuple[0] + "With"](this === _promise ? newDefer.promise() : this, fn ? [returned] : arguments);
                }
              });
            });
            fns = null;
          }).promise();
        },
        // Get a promise for this deferred
        // If obj is provided, the promise aspect is added to the object
        promise: function promise(obj) {
          return obj != null ? jQuery.extend(obj, _promise) : _promise;
        }
      },
          deferred = {}; // Keep pipe for back-compat

      _promise.pipe = _promise.then; // Add list-specific methods

      jQuery.each(tuples, function (i, tuple) {
        var list = tuple[2],
            stateString = tuple[3]; // promise[ done | fail | progress ] = list.add

        _promise[tuple[1]] = list.add; // Handle state

        if (stateString) {
          list.add(function () {
            // state = [ resolved | rejected ]
            _state = stateString; // [ reject_list | resolve_list ].disable; progress_list.lock
          }, tuples[i ^ 1][2].disable, tuples[2][2].lock);
        } // deferred[ resolve | reject | notify ]


        deferred[tuple[0]] = function () {
          deferred[tuple[0] + "With"](this === deferred ? _promise : this, arguments);
          return this;
        };

        deferred[tuple[0] + "With"] = list.fireWith;
      }); // Make the deferred a promise

      _promise.promise(deferred); // Call given func if any


      if (func) {
        func.call(deferred, deferred);
      } // All done!


      return deferred;
    },
    // Deferred helper
    when: function when(subordinate
    /* , ..., subordinateN */
    ) {
      var i = 0,
          resolveValues = _slice.call(arguments),
          length = resolveValues.length,
          // the count of uncompleted subordinates
      remaining = length !== 1 || subordinate && jQuery.isFunction(subordinate.promise) ? length : 0,
          // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
      deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
          // Update function for both resolve and progress values
      updateFunc = function updateFunc(i, contexts, values) {
        return function (value) {
          contexts[i] = this;
          values[i] = arguments.length > 1 ? _slice.call(arguments) : value;

          if (values === progressValues) {
            deferred.notifyWith(contexts, values);
          } else if (! --remaining) {
            deferred.resolveWith(contexts, values);
          }
        };
      },
          progressValues,
          progressContexts,
          resolveContexts; // add listeners to Deferred subordinates; treat others as resolved


      if (length > 1) {
        progressValues = new Array(length);
        progressContexts = new Array(length);
        resolveContexts = new Array(length);

        for (; i < length; i++) {
          if (resolveValues[i] && jQuery.isFunction(resolveValues[i].promise)) {
            resolveValues[i].promise().done(updateFunc(i, resolveContexts, resolveValues)).fail(deferred.reject).progress(updateFunc(i, progressContexts, progressValues));
          } else {
            --remaining;
          }
        }
      } // if we're not waiting on anything, resolve the master


      if (!remaining) {
        deferred.resolveWith(resolveContexts, resolveValues);
      }

      return deferred.promise();
    }
  }); // The deferred used on DOM ready

  var readyList;

  jQuery.fn.ready = function (fn) {
    // Add the callback
    jQuery.ready.promise().done(fn);
    return this;
  };

  jQuery.extend({
    // Is the DOM ready to be used? Set to true once it occurs.
    isReady: false,
    // A counter to track how many items to wait for before
    // the ready event fires. See #6781
    readyWait: 1,
    // Hold (or release) the ready event
    holdReady: function holdReady(hold) {
      if (hold) {
        jQuery.readyWait++;
      } else {
        jQuery.ready(true);
      }
    },
    // Handle when the DOM is ready
    ready: function ready(wait) {
      // Abort if there are pending holds or we're already ready
      if (wait === true ? --jQuery.readyWait : jQuery.isReady) {
        return;
      } // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).


      if (!document.body) {
        return setTimeout(jQuery.ready);
      } // Remember that the DOM is ready


      jQuery.isReady = true; // If a normal DOM Ready event fired, decrement, and wait if need be

      if (wait !== true && --jQuery.readyWait > 0) {
        return;
      } // If there are functions bound, to execute


      readyList.resolveWith(document, [jQuery]); // Trigger any bound ready events

      if (jQuery.fn.trigger) {
        jQuery(document).trigger("ready").off("ready");
      }
    }
  });
  /**
   * Clean-up method for dom ready events
   */

  function detach() {
    if (document.addEventListener) {
      document.removeEventListener("DOMContentLoaded", completed, false);
      window.removeEventListener("load", completed, false);
    } else {
      document.detachEvent("onreadystatechange", completed);
      window.detachEvent("onload", completed);
    }
  }
  /**
   * The ready event handler and self cleanup method
   */


  function completed() {
    // readyState === "complete" is good enough for us to call the dom ready in oldIE
    if (document.addEventListener || event.type === "load" || document.readyState === "complete") {
      detach();
      jQuery.ready();
    }
  }

  jQuery.ready.promise = function (obj) {
    if (!readyList) {
      readyList = jQuery.Deferred(); // Catch cases where $(document).ready() is called after the browser event has already occurred.
      // we once tried to use readyState "interactive" here, but it caused issues like the one
      // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15

      if (document.readyState === "complete") {
        // Handle it asynchronously to allow scripts the opportunity to delay ready
        setTimeout(jQuery.ready); // Standards-based browsers support DOMContentLoaded
      } else if (document.addEventListener) {
        // Use the handy event callback
        document.addEventListener("DOMContentLoaded", completed, false); // A fallback to window.onload, that will always work

        window.addEventListener("load", completed, false); // If IE event model is used
      } else {
        // Ensure firing before onload, maybe late but safe also for iframes
        document.attachEvent("onreadystatechange", completed); // A fallback to window.onload, that will always work

        window.attachEvent("onload", completed); // If IE and not a frame
        // continually check to see if the document is ready

        var top = false;

        try {
          top = window.frameElement == null && document.documentElement;
        } catch (e) {}

        if (top && top.doScroll) {
          (function doScrollCheck() {
            if (!jQuery.isReady) {
              try {
                // Use the trick by Diego Perini
                // http://javascript.nwbox.com/IEContentLoaded/
                top.doScroll("left");
              } catch (e) {
                return setTimeout(doScrollCheck, 50);
              } // detach all dom ready events


              detach(); // and execute any waiting functions

              jQuery.ready();
            }
          })();
        }
      }
    }

    return readyList.promise(obj);
  };

  var strundefined = typeof undefined === "undefined" ? "undefined" : _typeof(undefined); // Support: IE<9
  // Iteration over object's inherited properties before its own

  var i;

  for (i in jQuery(support)) {
    break;
  }

  support.ownLast = i !== "0"; // Note: most support tests are defined in their respective modules.
  // false until the test is run

  support.inlineBlockNeedsLayout = false;
  jQuery(function () {
    // We need to execute this one support test ASAP because we need to know
    // if body.style.zoom needs to be set.
    var container,
        div,
        body = document.getElementsByTagName("body")[0];

    if (!body) {
      // Return for frameset docs that don't have a body
      return;
    } // Setup


    container = document.createElement("div");
    container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
    div = document.createElement("div");
    body.appendChild(container).appendChild(div);

    if (_typeof(div.style.zoom) !== strundefined) {
      // Support: IE<8
      // Check if natively block-level elements act like inline-block
      // elements when setting their display to 'inline' and giving
      // them layout
      div.style.cssText = "border:0;margin:0;width:1px;padding:1px;display:inline;zoom:1";

      if (support.inlineBlockNeedsLayout = div.offsetWidth === 3) {
        // Prevent IE 6 from affecting layout for positioned elements #11048
        // Prevent IE from shrinking the body in IE 7 mode #12869
        // Support: IE<8
        body.style.zoom = 1;
      }
    }

    body.removeChild(container); // Null elements to avoid leaks in IE

    container = div = null;
  });

  (function () {
    var div = document.createElement("div"); // Execute the test only if not already executed in another module.

    if (support.deleteExpando == null) {
      // Support: IE<9
      support.deleteExpando = true;

      try {
        delete div.test;
      } catch (e) {
        support.deleteExpando = false;
      }
    } // Null elements to avoid leaks in IE.


    div = null;
  })();
  /**
   * Determines whether an object can have data
   */


  jQuery.acceptData = function (elem) {
    var noData = jQuery.noData[(elem.nodeName + " ").toLowerCase()],
        nodeType = +elem.nodeType || 1; // Do not set data on non-element DOM nodes because it will not be cleared (#8335).

    return nodeType !== 1 && nodeType !== 9 ? false : // Nodes accept data unless otherwise specified; rejection can be conditional
    !noData || noData !== true && elem.getAttribute("classid") === noData;
  };

  var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
      rmultiDash = /([A-Z])/g;

  function dataAttr(elem, key, data) {
    // If nothing was found internally, try to fetch any
    // data from the HTML5 data-* attribute
    if (data === undefined && elem.nodeType === 1) {
      var name = "data-" + key.replace(rmultiDash, "-$1").toLowerCase();
      data = elem.getAttribute(name);

      if (typeof data === "string") {
        try {
          data = data === "true" ? true : data === "false" ? false : data === "null" ? null : // Only convert to a number if it doesn't change the string
          +data + "" === data ? +data : rbrace.test(data) ? jQuery.parseJSON(data) : data;
        } catch (e) {} // Make sure we set the data so it isn't changed later


        jQuery.data(elem, key, data);
      } else {
        data = undefined;
      }
    }

    return data;
  } // checks a cache object for emptiness


  function isEmptyDataObject(obj) {
    var name;

    for (name in obj) {
      // if the public data object is empty, the private is still empty
      if (name === "data" && jQuery.isEmptyObject(obj[name])) {
        continue;
      }

      if (name !== "toJSON") {
        return false;
      }
    }

    return true;
  }

  function internalData(elem, name, data, pvt
  /* Internal Use Only */
  ) {
    if (!jQuery.acceptData(elem)) {
      return;
    }

    var ret,
        thisCache,
        internalKey = jQuery.expando,
        // We have to handle DOM nodes and JS objects differently because IE6-7
    // can't GC object references properly across the DOM-JS boundary
    isNode = elem.nodeType,
        // Only DOM nodes need the global jQuery cache; JS object data is
    // attached directly to the object so GC can occur automatically
    cache = isNode ? jQuery.cache : elem,
        // Only defining an ID for JS objects if its cache already exists allows
    // the code to shortcut on the same path as a DOM node with no cache
    id = isNode ? elem[internalKey] : elem[internalKey] && internalKey; // Avoid doing any more work than we need to when trying to get data on an
    // object that has no data at all

    if ((!id || !cache[id] || !pvt && !cache[id].data) && data === undefined && typeof name === "string") {
      return;
    }

    if (!id) {
      // Only DOM nodes need a new unique ID for each element since their data
      // ends up in the global cache
      if (isNode) {
        id = elem[internalKey] = deletedIds.pop() || jQuery.guid++;
      } else {
        id = internalKey;
      }
    }

    if (!cache[id]) {
      // Avoid exposing jQuery metadata on plain JS objects when the object
      // is serialized using JSON.stringify
      cache[id] = isNode ? {} : {
        toJSON: jQuery.noop
      };
    } // An object can be passed to jQuery.data instead of a key/value pair; this gets
    // shallow copied over onto the existing cache


    if (_typeof(name) === "object" || typeof name === "function") {
      if (pvt) {
        cache[id] = jQuery.extend(cache[id], name);
      } else {
        cache[id].data = jQuery.extend(cache[id].data, name);
      }
    }

    thisCache = cache[id]; // jQuery data() is stored in a separate object inside the object's internal data
    // cache in order to avoid key collisions between internal data and user-defined
    // data.

    if (!pvt) {
      if (!thisCache.data) {
        thisCache.data = {};
      }

      thisCache = thisCache.data;
    }

    if (data !== undefined) {
      thisCache[jQuery.camelCase(name)] = data;
    } // Check for both converted-to-camel and non-converted data property names
    // If a data property was specified


    if (typeof name === "string") {
      // First Try to find as-is property data
      ret = thisCache[name]; // Test for null|undefined property data

      if (ret == null) {
        // Try to find the camelCased property
        ret = thisCache[jQuery.camelCase(name)];
      }
    } else {
      ret = thisCache;
    }

    return ret;
  }

  function internalRemoveData(elem, name, pvt) {
    if (!jQuery.acceptData(elem)) {
      return;
    }

    var thisCache,
        i,
        isNode = elem.nodeType,
        // See jQuery.data for more information
    cache = isNode ? jQuery.cache : elem,
        id = isNode ? elem[jQuery.expando] : jQuery.expando; // If there is already no cache entry for this object, there is no
    // purpose in continuing

    if (!cache[id]) {
      return;
    }

    if (name) {
      thisCache = pvt ? cache[id] : cache[id].data;

      if (thisCache) {
        // Support array or space separated string names for data keys
        if (!jQuery.isArray(name)) {
          // try the string as a key before any manipulation
          if (name in thisCache) {
            name = [name];
          } else {
            // split the camel cased version by spaces unless a key with the spaces exists
            name = jQuery.camelCase(name);

            if (name in thisCache) {
              name = [name];
            } else {
              name = name.split(" ");
            }
          }
        } else {
          // If "name" is an array of keys...
          // When data is initially created, via ("key", "val") signature,
          // keys will be converted to camelCase.
          // Since there is no way to tell _how_ a key was added, remove
          // both plain key and camelCase key. #12786
          // This will only penalize the array argument path.
          name = name.concat(jQuery.map(name, jQuery.camelCase));
        }

        i = name.length;

        while (i--) {
          delete thisCache[name[i]];
        } // If there is no data left in the cache, we want to continue
        // and let the cache object itself get destroyed


        if (pvt ? !isEmptyDataObject(thisCache) : !jQuery.isEmptyObject(thisCache)) {
          return;
        }
      }
    } // See jQuery.data for more information


    if (!pvt) {
      delete cache[id].data; // Don't destroy the parent cache unless the internal data object
      // had been the only thing left in it

      if (!isEmptyDataObject(cache[id])) {
        return;
      }
    } // Destroy the cache


    if (isNode) {
      jQuery.cleanData([elem], true); // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)

      /* jshint eqeqeq: false */
    } else if (support.deleteExpando || cache != cache.window) {
      /* jshint eqeqeq: true */
      delete cache[id]; // When all else fails, null
    } else {
      cache[id] = null;
    }
  }

  jQuery.extend({
    cache: {},
    // The following elements (space-suffixed to avoid Object.prototype collisions)
    // throw uncatchable exceptions if you attempt to set expando properties
    noData: {
      "applet ": true,
      "embed ": true,
      // ...but Flash objects (which have this classid) *can* handle expandos
      "object ": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
    },
    hasData: function hasData(elem) {
      elem = elem.nodeType ? jQuery.cache[elem[jQuery.expando]] : elem[jQuery.expando];
      return !!elem && !isEmptyDataObject(elem);
    },
    data: function data(elem, name, _data) {
      return internalData(elem, name, _data);
    },
    removeData: function removeData(elem, name) {
      return internalRemoveData(elem, name);
    },
    // For internal use only.
    _data: function _data(elem, name, data) {
      return internalData(elem, name, data, true);
    },
    _removeData: function _removeData(elem, name) {
      return internalRemoveData(elem, name, true);
    }
  });
  jQuery.fn.extend({
    data: function data(key, value) {
      var i,
          name,
          data,
          elem = this[0],
          attrs = elem && elem.attributes; // Special expections of .data basically thwart jQuery.access,
      // so implement the relevant behavior ourselves
      // Gets all values

      if (key === undefined) {
        if (this.length) {
          data = jQuery.data(elem);

          if (elem.nodeType === 1 && !jQuery._data(elem, "parsedAttrs")) {
            i = attrs.length;

            while (i--) {
              name = attrs[i].name;

              if (name.indexOf("data-") === 0) {
                name = jQuery.camelCase(name.slice(5));
                dataAttr(elem, name, data[name]);
              }
            }

            jQuery._data(elem, "parsedAttrs", true);
          }
        }

        return data;
      } // Sets multiple values


      if (_typeof(key) === "object") {
        return this.each(function () {
          jQuery.data(this, key);
        });
      }

      return arguments.length > 1 ? // Sets one value
      this.each(function () {
        jQuery.data(this, key, value);
      }) : // Gets one value
      // Try to fetch any internally stored data first
      elem ? dataAttr(elem, key, jQuery.data(elem, key)) : undefined;
    },
    removeData: function removeData(key) {
      return this.each(function () {
        jQuery.removeData(this, key);
      });
    }
  });
  jQuery.extend({
    queue: function queue(elem, type, data) {
      var queue;

      if (elem) {
        type = (type || "fx") + "queue";
        queue = jQuery._data(elem, type); // Speed up dequeue by getting out quickly if this is just a lookup

        if (data) {
          if (!queue || jQuery.isArray(data)) {
            queue = jQuery._data(elem, type, jQuery.makeArray(data));
          } else {
            queue.push(data);
          }
        }

        return queue || [];
      }
    },
    dequeue: function dequeue(elem, type) {
      type = type || "fx";

      var queue = jQuery.queue(elem, type),
          startLength = queue.length,
          fn = queue.shift(),
          hooks = jQuery._queueHooks(elem, type),
          next = function next() {
        jQuery.dequeue(elem, type);
      }; // If the fx queue is dequeued, always remove the progress sentinel


      if (fn === "inprogress") {
        fn = queue.shift();
        startLength--;
      }

      if (fn) {
        // Add a progress sentinel to prevent the fx queue from being
        // automatically dequeued
        if (type === "fx") {
          queue.unshift("inprogress");
        } // clear up the last queue stop function


        delete hooks.stop;
        fn.call(elem, next, hooks);
      }

      if (!startLength && hooks) {
        hooks.empty.fire();
      }
    },
    // not intended for public consumption - generates a queueHooks object, or returns the current one
    _queueHooks: function _queueHooks(elem, type) {
      var key = type + "queueHooks";
      return jQuery._data(elem, key) || jQuery._data(elem, key, {
        empty: jQuery.Callbacks("once memory").add(function () {
          jQuery._removeData(elem, type + "queue");

          jQuery._removeData(elem, key);
        })
      });
    }
  });
  jQuery.fn.extend({
    queue: function queue(type, data) {
      var setter = 2;

      if (typeof type !== "string") {
        data = type;
        type = "fx";
        setter--;
      }

      if (arguments.length < setter) {
        return jQuery.queue(this[0], type);
      }

      return data === undefined ? this : this.each(function () {
        var queue = jQuery.queue(this, type, data); // ensure a hooks for this queue

        jQuery._queueHooks(this, type);

        if (type === "fx" && queue[0] !== "inprogress") {
          jQuery.dequeue(this, type);
        }
      });
    },
    dequeue: function dequeue(type) {
      return this.each(function () {
        jQuery.dequeue(this, type);
      });
    },
    clearQueue: function clearQueue(type) {
      return this.queue(type || "fx", []);
    },
    // Get a promise resolved when queues of a certain type
    // are emptied (fx is the type by default)
    promise: function promise(type, obj) {
      var tmp,
          count = 1,
          defer = jQuery.Deferred(),
          elements = this,
          i = this.length,
          resolve = function resolve() {
        if (! --count) {
          defer.resolveWith(elements, [elements]);
        }
      };

      if (typeof type !== "string") {
        obj = type;
        type = undefined;
      }

      type = type || "fx";

      while (i--) {
        tmp = jQuery._data(elements[i], type + "queueHooks");

        if (tmp && tmp.empty) {
          count++;
          tmp.empty.add(resolve);
        }
      }

      resolve();
      return defer.promise(obj);
    }
  });
  var pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source;
  var cssExpand = ["Top", "Right", "Bottom", "Left"];

  var isHidden = function isHidden(elem, el) {
    // isHidden might be called from jQuery#filter function;
    // in that case, element will be second argument
    elem = el || elem;
    return jQuery.css(elem, "display") === "none" || !jQuery.contains(elem.ownerDocument, elem);
  }; // Multifunctional method to get and set values of a collection
  // The value/s can optionally be executed if it's a function


  var access = jQuery.access = function (elems, fn, key, value, chainable, emptyGet, raw) {
    var i = 0,
        length = elems.length,
        bulk = key == null; // Sets many values

    if (jQuery.type(key) === "object") {
      chainable = true;

      for (i in key) {
        jQuery.access(elems, fn, i, key[i], true, emptyGet, raw);
      } // Sets one value

    } else if (value !== undefined) {
      chainable = true;

      if (!jQuery.isFunction(value)) {
        raw = true;
      }

      if (bulk) {
        // Bulk operations run against the entire set
        if (raw) {
          fn.call(elems, value);
          fn = null; // ...except when executing function values
        } else {
          bulk = fn;

          fn = function fn(elem, key, value) {
            return bulk.call(jQuery(elem), value);
          };
        }
      }

      if (fn) {
        for (; i < length; i++) {
          fn(elems[i], key, raw ? value : value.call(elems[i], i, fn(elems[i], key)));
        }
      }
    }

    return chainable ? elems : // Gets
    bulk ? fn.call(elems) : length ? fn(elems[0], key) : emptyGet;
  };

  var rcheckableType = /^(?:checkbox|radio)$/i;

  (function () {
    var fragment = document.createDocumentFragment(),
        div = document.createElement("div"),
        input = document.createElement("input"); // Setup

    div.setAttribute("className", "t");
    div.innerHTML = "  <link/><table></table><a href='/a'>a</a>"; // IE strips leading whitespace when .innerHTML is used

    support.leadingWhitespace = div.firstChild.nodeType === 3; // Make sure that tbody elements aren't automatically inserted
    // IE will insert them into empty tables

    support.tbody = !div.getElementsByTagName("tbody").length; // Make sure that link elements get serialized correctly by innerHTML
    // This requires a wrapper element in IE

    support.htmlSerialize = !!div.getElementsByTagName("link").length; // Makes sure cloning an html5 element does not cause problems
    // Where outerHTML is undefined, this still works

    support.html5Clone = document.createElement("nav").cloneNode(true).outerHTML !== "<:nav></:nav>"; // Check if a disconnected checkbox will retain its checked
    // value of true after appended to the DOM (IE6/7)

    input.type = "checkbox";
    input.checked = true;
    fragment.appendChild(input);
    support.appendChecked = input.checked; // Make sure textarea (and checkbox) defaultValue is properly cloned
    // Support: IE6-IE11+

    div.innerHTML = "<textarea>x</textarea>";
    support.noCloneChecked = !!div.cloneNode(true).lastChild.defaultValue; // #11217 - WebKit loses check when the name is after the checked attribute

    fragment.appendChild(div);
    div.innerHTML = "<input type='radio' checked='checked' name='t'/>"; // Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
    // old WebKit doesn't clone checked state correctly in fragments

    support.checkClone = div.cloneNode(true).cloneNode(true).lastChild.checked; // Support: IE<9
    // Opera does not clone events (and typeof div.attachEvent === undefined).
    // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()

    support.noCloneEvent = true;

    if (div.attachEvent) {
      div.attachEvent("onclick", function () {
        support.noCloneEvent = false;
      });
      div.cloneNode(true).click();
    } // Execute the test only if not already executed in another module.


    if (support.deleteExpando == null) {
      // Support: IE<9
      support.deleteExpando = true;

      try {
        delete div.test;
      } catch (e) {
        support.deleteExpando = false;
      }
    } // Null elements to avoid leaks in IE.


    fragment = div = input = null;
  })();

  (function () {
    var i,
        eventName,
        div = document.createElement("div"); // Support: IE<9 (lack submit/change bubble), Firefox 23+ (lack focusin event)

    for (i in {
      submit: true,
      change: true,
      focusin: true
    }) {
      eventName = "on" + i;

      if (!(support[i + "Bubbles"] = eventName in window)) {
        // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
        div.setAttribute(eventName, "t");
        support[i + "Bubbles"] = div.attributes[eventName].expando === false;
      }
    } // Null elements to avoid leaks in IE.


    div = null;
  })();

  var rformElems = /^(?:input|select|textarea)$/i,
      rkeyEvent = /^key/,
      rmouseEvent = /^(?:mouse|contextmenu)|click/,
      rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
      rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;

  function returnTrue() {
    return true;
  }

  function returnFalse() {
    return false;
  }

  function safeActiveElement() {
    try {
      return document.activeElement;
    } catch (err) {}
  }
  /*
   * Helper functions for managing events -- not part of the public interface.
   * Props to Dean Edwards' addEvent library for many of the ideas.
   */


  jQuery.event = {
    global: {},
    add: function add(elem, types, handler, data, selector) {
      var tmp,
          events,
          t,
          handleObjIn,
          special,
          eventHandle,
          handleObj,
          handlers,
          type,
          namespaces,
          origType,
          elemData = jQuery._data(elem); // Don't attach events to noData or text/comment nodes (but allow plain objects)


      if (!elemData) {
        return;
      } // Caller can pass in an object of custom data in lieu of the handler


      if (handler.handler) {
        handleObjIn = handler;
        handler = handleObjIn.handler;
        selector = handleObjIn.selector;
      } // Make sure that the handler has a unique ID, used to find/remove it later


      if (!handler.guid) {
        handler.guid = jQuery.guid++;
      } // Init the element's event structure and main handler, if this is the first


      if (!(events = elemData.events)) {
        events = elemData.events = {};
      }

      if (!(eventHandle = elemData.handle)) {
        eventHandle = elemData.handle = function (e) {
          // Discard the second event of a jQuery.event.trigger() and
          // when an event is called after a page has unloaded
          return _typeof(jQuery) !== strundefined && (!e || jQuery.event.triggered !== e.type) ? jQuery.event.dispatch.apply(eventHandle.elem, arguments) : undefined;
        }; // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events


        eventHandle.elem = elem;
      } // Handle multiple events separated by a space


      types = (types || "").match(rnotwhite) || [""];
      t = types.length;

      while (t--) {
        tmp = rtypenamespace.exec(types[t]) || [];
        type = origType = tmp[1];
        namespaces = (tmp[2] || "").split(".").sort(); // There *must* be a type, no attaching namespace-only handlers

        if (!type) {
          continue;
        } // If event changes its type, use the special event handlers for the changed type


        special = jQuery.event.special[type] || {}; // If selector defined, determine special event api type, otherwise given type

        type = (selector ? special.delegateType : special.bindType) || type; // Update special based on newly reset type

        special = jQuery.event.special[type] || {}; // handleObj is passed to all event handlers

        handleObj = jQuery.extend({
          type: type,
          origType: origType,
          data: data,
          handler: handler,
          guid: handler.guid,
          selector: selector,
          needsContext: selector && jQuery.expr.match.needsContext.test(selector),
          namespace: namespaces.join(".")
        }, handleObjIn); // Init the event handler queue if we're the first

        if (!(handlers = events[type])) {
          handlers = events[type] = [];
          handlers.delegateCount = 0; // Only use addEventListener/attachEvent if the special events handler returns false

          if (!special.setup || special.setup.call(elem, data, namespaces, eventHandle) === false) {
            // Bind the global event handler to the element
            if (elem.addEventListener) {
              elem.addEventListener(type, eventHandle, false);
            } else if (elem.attachEvent) {
              elem.attachEvent("on" + type, eventHandle);
            }
          }
        }

        if (special.add) {
          special.add.call(elem, handleObj);

          if (!handleObj.handler.guid) {
            handleObj.handler.guid = handler.guid;
          }
        } // Add to the element's handler list, delegates in front


        if (selector) {
          handlers.splice(handlers.delegateCount++, 0, handleObj);
        } else {
          handlers.push(handleObj);
        } // Keep track of which events have ever been used, for event optimization


        jQuery.event.global[type] = true;
      } // Nullify elem to prevent memory leaks in IE


      elem = null;
    },
    // Detach an event or set of events from an element
    remove: function remove(elem, types, handler, selector, mappedTypes) {
      var j,
          handleObj,
          tmp,
          origCount,
          t,
          events,
          special,
          handlers,
          type,
          namespaces,
          origType,
          elemData = jQuery.hasData(elem) && jQuery._data(elem);

      if (!elemData || !(events = elemData.events)) {
        return;
      } // Once for each type.namespace in types; type may be omitted


      types = (types || "").match(rnotwhite) || [""];
      t = types.length;

      while (t--) {
        tmp = rtypenamespace.exec(types[t]) || [];
        type = origType = tmp[1];
        namespaces = (tmp[2] || "").split(".").sort(); // Unbind all events (on this namespace, if provided) for the element

        if (!type) {
          for (type in events) {
            jQuery.event.remove(elem, type + types[t], handler, selector, true);
          }

          continue;
        }

        special = jQuery.event.special[type] || {};
        type = (selector ? special.delegateType : special.bindType) || type;
        handlers = events[type] || [];
        tmp = tmp[2] && new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)"); // Remove matching events

        origCount = j = handlers.length;

        while (j--) {
          handleObj = handlers[j];

          if ((mappedTypes || origType === handleObj.origType) && (!handler || handler.guid === handleObj.guid) && (!tmp || tmp.test(handleObj.namespace)) && (!selector || selector === handleObj.selector || selector === "**" && handleObj.selector)) {
            handlers.splice(j, 1);

            if (handleObj.selector) {
              handlers.delegateCount--;
            }

            if (special.remove) {
              special.remove.call(elem, handleObj);
            }
          }
        } // Remove generic event handler if we removed something and no more handlers exist
        // (avoids potential for endless recursion during removal of special event handlers)


        if (origCount && !handlers.length) {
          if (!special.teardown || special.teardown.call(elem, namespaces, elemData.handle) === false) {
            jQuery.removeEvent(elem, type, elemData.handle);
          }

          delete events[type];
        }
      } // Remove the expando if it's no longer used


      if (jQuery.isEmptyObject(events)) {
        delete elemData.handle; // removeData also checks for emptiness and clears the expando if empty
        // so use it instead of delete

        jQuery._removeData(elem, "events");
      }
    },
    trigger: function trigger(event, data, elem, onlyHandlers) {
      var handle,
          ontype,
          cur,
          bubbleType,
          special,
          tmp,
          i,
          eventPath = [elem || document],
          type = hasOwn.call(event, "type") ? event.type : event,
          namespaces = hasOwn.call(event, "namespace") ? event.namespace.split(".") : [];
      cur = tmp = elem = elem || document; // Don't do events on text and comment nodes

      if (elem.nodeType === 3 || elem.nodeType === 8) {
        return;
      } // focus/blur morphs to focusin/out; ensure we're not firing them right now


      if (rfocusMorph.test(type + jQuery.event.triggered)) {
        return;
      }

      if (type.indexOf(".") >= 0) {
        // Namespaced trigger; create a regexp to match event type in handle()
        namespaces = type.split(".");
        type = namespaces.shift();
        namespaces.sort();
      }

      ontype = type.indexOf(":") < 0 && "on" + type; // Caller can pass in a jQuery.Event object, Object, or just an event type string

      event = event[jQuery.expando] ? event : new jQuery.Event(type, _typeof(event) === "object" && event); // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)

      event.isTrigger = onlyHandlers ? 2 : 3;
      event.namespace = namespaces.join(".");
      event.namespace_re = event.namespace ? new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)") : null; // Clean up the event in case it is being reused

      event.result = undefined;

      if (!event.target) {
        event.target = elem;
      } // Clone any incoming data and prepend the event, creating the handler arg list


      data = data == null ? [event] : jQuery.makeArray(data, [event]); // Allow special events to draw outside the lines

      special = jQuery.event.special[type] || {};

      if (!onlyHandlers && special.trigger && special.trigger.apply(elem, data) === false) {
        return;
      } // Determine event propagation path in advance, per W3C events spec (#9951)
      // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)


      if (!onlyHandlers && !special.noBubble && !jQuery.isWindow(elem)) {
        bubbleType = special.delegateType || type;

        if (!rfocusMorph.test(bubbleType + type)) {
          cur = cur.parentNode;
        }

        for (; cur; cur = cur.parentNode) {
          eventPath.push(cur);
          tmp = cur;
        } // Only add window if we got to document (e.g., not plain obj or detached DOM)


        if (tmp === (elem.ownerDocument || document)) {
          eventPath.push(tmp.defaultView || tmp.parentWindow || window);
        }
      } // Fire handlers on the event path


      i = 0;

      while ((cur = eventPath[i++]) && !event.isPropagationStopped()) {
        event.type = i > 1 ? bubbleType : special.bindType || type; // jQuery handler

        handle = (jQuery._data(cur, "events") || {})[event.type] && jQuery._data(cur, "handle");

        if (handle) {
          handle.apply(cur, data);
        } // Native handler


        handle = ontype && cur[ontype];

        if (handle && handle.apply && jQuery.acceptData(cur)) {
          event.result = handle.apply(cur, data);

          if (event.result === false) {
            event.preventDefault();
          }
        }
      }

      event.type = type; // If nobody prevented the default action, do it now

      if (!onlyHandlers && !event.isDefaultPrevented()) {
        if ((!special._default || special._default.apply(eventPath.pop(), data) === false) && jQuery.acceptData(elem)) {
          // Call a native DOM method on the target with the same name name as the event.
          // Can't use an .isFunction() check here because IE6/7 fails that test.
          // Don't do default actions on window, that's where global variables be (#6170)
          if (ontype && elem[type] && !jQuery.isWindow(elem)) {
            // Don't re-trigger an onFOO event when we call its FOO() method
            tmp = elem[ontype];

            if (tmp) {
              elem[ontype] = null;
            } // Prevent re-triggering of the same event, since we already bubbled it above


            jQuery.event.triggered = type;

            try {
              elem[type]();
            } catch (e) {// IE<9 dies on focus/blur to hidden element (#1486,#12518)
              // only reproducible on winXP IE8 native, not IE9 in IE8 mode
            }

            jQuery.event.triggered = undefined;

            if (tmp) {
              elem[ontype] = tmp;
            }
          }
        }
      }

      return event.result;
    },
    dispatch: function dispatch(event) {
      // Make a writable jQuery.Event from the native event object
      event = jQuery.event.fix(event);

      var i,
          ret,
          handleObj,
          matched,
          j,
          handlerQueue = [],
          args = _slice.call(arguments),
          handlers = (jQuery._data(this, "events") || {})[event.type] || [],
          special = jQuery.event.special[event.type] || {}; // Use the fix-ed jQuery.Event rather than the (read-only) native event


      args[0] = event;
      event.delegateTarget = this; // Call the preDispatch hook for the mapped type, and let it bail if desired

      if (special.preDispatch && special.preDispatch.call(this, event) === false) {
        return;
      } // Determine handlers


      handlerQueue = jQuery.event.handlers.call(this, event, handlers); // Run delegates first; they may want to stop propagation beneath us

      i = 0;

      while ((matched = handlerQueue[i++]) && !event.isPropagationStopped()) {
        event.currentTarget = matched.elem;
        j = 0;

        while ((handleObj = matched.handlers[j++]) && !event.isImmediatePropagationStopped()) {
          // Triggered event must either 1) have no namespace, or
          // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
          if (!event.namespace_re || event.namespace_re.test(handleObj.namespace)) {
            event.handleObj = handleObj;
            event.data = handleObj.data;
            ret = ((jQuery.event.special[handleObj.origType] || {}).handle || handleObj.handler).apply(matched.elem, args);

            if (ret !== undefined) {
              if ((event.result = ret) === false) {
                event.preventDefault();
                event.stopPropagation();
              }
            }
          }
        }
      } // Call the postDispatch hook for the mapped type


      if (special.postDispatch) {
        special.postDispatch.call(this, event);
      }

      return event.result;
    },
    handlers: function handlers(event, _handlers) {
      var sel,
          handleObj,
          matches,
          i,
          handlerQueue = [],
          delegateCount = _handlers.delegateCount,
          cur = event.target; // Find delegate handlers
      // Black-hole SVG <use> instance trees (#13180)
      // Avoid non-left-click bubbling in Firefox (#3861)

      if (delegateCount && cur.nodeType && (!event.button || event.type !== "click")) {
        /* jshint eqeqeq: false */
        for (; cur != this; cur = cur.parentNode || this) {
          /* jshint eqeqeq: true */
          // Don't check non-elements (#13208)
          // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
          if (cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click")) {
            matches = [];

            for (i = 0; i < delegateCount; i++) {
              handleObj = _handlers[i]; // Don't conflict with Object.prototype properties (#13203)

              sel = handleObj.selector + " ";

              if (matches[sel] === undefined) {
                matches[sel] = handleObj.needsContext ? jQuery(sel, this).index(cur) >= 0 : jQuery.find(sel, this, null, [cur]).length;
              }

              if (matches[sel]) {
                matches.push(handleObj);
              }
            }

            if (matches.length) {
              handlerQueue.push({
                elem: cur,
                handlers: matches
              });
            }
          }
        }
      } // Add the remaining (directly-bound) handlers


      if (delegateCount < _handlers.length) {
        handlerQueue.push({
          elem: this,
          handlers: _handlers.slice(delegateCount)
        });
      }

      return handlerQueue;
    },
    fix: function fix(event) {
      if (event[jQuery.expando]) {
        return event;
      } // Create a writable copy of the event object and normalize some properties


      var i,
          prop,
          copy,
          type = event.type,
          originalEvent = event,
          fixHook = this.fixHooks[type];

      if (!fixHook) {
        this.fixHooks[type] = fixHook = rmouseEvent.test(type) ? this.mouseHooks : rkeyEvent.test(type) ? this.keyHooks : {};
      }

      copy = fixHook.props ? this.props.concat(fixHook.props) : this.props;
      event = new jQuery.Event(originalEvent);
      i = copy.length;

      while (i--) {
        prop = copy[i];
        event[prop] = originalEvent[prop];
      } // Support: IE<9
      // Fix target property (#1925)


      if (!event.target) {
        event.target = originalEvent.srcElement || document;
      } // Support: Chrome 23+, Safari?
      // Target should not be a text node (#504, #13143)


      if (event.target.nodeType === 3) {
        event.target = event.target.parentNode;
      } // Support: IE<9
      // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)


      event.metaKey = !!event.metaKey;
      return fixHook.filter ? fixHook.filter(event, originalEvent) : event;
    },
    // Includes some event props shared by KeyEvent and MouseEvent
    props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
    fixHooks: {},
    keyHooks: {
      props: "char charCode key keyCode".split(" "),
      filter: function filter(event, original) {
        // Add which for key events
        if (event.which == null) {
          event.which = original.charCode != null ? original.charCode : original.keyCode;
        }

        return event;
      }
    },
    mouseHooks: {
      props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
      filter: function filter(event, original) {
        var body,
            eventDoc,
            doc,
            button = original.button,
            fromElement = original.fromElement; // Calculate pageX/Y if missing and clientX/Y available

        if (event.pageX == null && original.clientX != null) {
          eventDoc = event.target.ownerDocument || document;
          doc = eventDoc.documentElement;
          body = eventDoc.body;
          event.pageX = original.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
          event.pageY = original.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
        } // Add relatedTarget, if necessary


        if (!event.relatedTarget && fromElement) {
          event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
        } // Add which for click: 1 === left; 2 === middle; 3 === right
        // Note: button is not normalized, so don't use it


        if (!event.which && button !== undefined) {
          event.which = button & 1 ? 1 : button & 2 ? 3 : button & 4 ? 2 : 0;
        }

        return event;
      }
    },
    special: {
      load: {
        // Prevent triggered image.load events from bubbling to window.load
        noBubble: true
      },
      focus: {
        // Fire native event if possible so blur/focus sequence is correct
        trigger: function trigger() {
          if (this !== safeActiveElement() && this.focus) {
            try {
              this.focus();
              return false;
            } catch (e) {// Support: IE<9
              // If we error on focus to hidden element (#1486, #12518),
              // let .trigger() run the handlers
            }
          }
        },
        delegateType: "focusin"
      },
      blur: {
        trigger: function trigger() {
          if (this === safeActiveElement() && this.blur) {
            this.blur();
            return false;
          }
        },
        delegateType: "focusout"
      },
      click: {
        // For checkbox, fire native event so checked state will be right
        trigger: function trigger() {
          if (jQuery.nodeName(this, "input") && this.type === "checkbox" && this.click) {
            this.click();
            return false;
          }
        },
        // For cross-browser consistency, don't fire native .click() on links
        _default: function _default(event) {
          return jQuery.nodeName(event.target, "a");
        }
      },
      beforeunload: {
        postDispatch: function postDispatch(event) {
          // Even when returnValue equals to undefined Firefox will still show alert
          if (event.result !== undefined) {
            event.originalEvent.returnValue = event.result;
          }
        }
      }
    },
    simulate: function simulate(type, elem, event, bubble) {
      // Piggyback on a donor event to simulate a different one.
      // Fake originalEvent to avoid donor's stopPropagation, but if the
      // simulated event prevents default then we do the same on the donor.
      var e = jQuery.extend(new jQuery.Event(), event, {
        type: type,
        isSimulated: true,
        originalEvent: {}
      });

      if (bubble) {
        jQuery.event.trigger(e, null, elem);
      } else {
        jQuery.event.dispatch.call(elem, e);
      }

      if (e.isDefaultPrevented()) {
        event.preventDefault();
      }
    }
  };
  jQuery.removeEvent = document.removeEventListener ? function (elem, type, handle) {
    if (elem.removeEventListener) {
      elem.removeEventListener(type, handle, false);
    }
  } : function (elem, type, handle) {
    var name = "on" + type;

    if (elem.detachEvent) {
      // #8545, #7054, preventing memory leaks for custom events in IE6-8
      // detachEvent needed property on element, by name of that event, to properly expose it to GC
      if (_typeof(elem[name]) === strundefined) {
        elem[name] = null;
      }

      elem.detachEvent(name, handle);
    }
  };

  jQuery.Event = function (src, props) {
    // Allow instantiation without the 'new' keyword
    if (!(this instanceof jQuery.Event)) {
      return new jQuery.Event(src, props);
    } // Event object


    if (src && src.type) {
      this.originalEvent = src;
      this.type = src.type; // Events bubbling up the document may have been marked as prevented
      // by a handler lower down the tree; reflect the correct value.

      this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined && ( // Support: IE < 9
      src.returnValue === false || // Support: Android < 4.0
      src.getPreventDefault && src.getPreventDefault()) ? returnTrue : returnFalse; // Event type
    } else {
      this.type = src;
    } // Put explicitly provided properties onto the event object


    if (props) {
      jQuery.extend(this, props);
    } // Create a timestamp if incoming event doesn't have one


    this.timeStamp = src && src.timeStamp || jQuery.now(); // Mark it as fixed

    this[jQuery.expando] = true;
  }; // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
  // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html


  jQuery.Event.prototype = {
    isDefaultPrevented: returnFalse,
    isPropagationStopped: returnFalse,
    isImmediatePropagationStopped: returnFalse,
    preventDefault: function preventDefault() {
      var e = this.originalEvent;
      this.isDefaultPrevented = returnTrue;

      if (!e) {
        return;
      } // If preventDefault exists, run it on the original event


      if (e.preventDefault) {
        e.preventDefault(); // Support: IE
        // Otherwise set the returnValue property of the original event to false
      } else {
        e.returnValue = false;
      }
    },
    stopPropagation: function stopPropagation() {
      var e = this.originalEvent;
      this.isPropagationStopped = returnTrue;

      if (!e) {
        return;
      } // If stopPropagation exists, run it on the original event


      if (e.stopPropagation) {
        e.stopPropagation();
      } // Support: IE
      // Set the cancelBubble property of the original event to true


      e.cancelBubble = true;
    },
    stopImmediatePropagation: function stopImmediatePropagation() {
      this.isImmediatePropagationStopped = returnTrue;
      this.stopPropagation();
    }
  }; // Create mouseenter/leave events using mouseover/out and event-time checks

  jQuery.each({
    mouseenter: "mouseover",
    mouseleave: "mouseout"
  }, function (orig, fix) {
    jQuery.event.special[orig] = {
      delegateType: fix,
      bindType: fix,
      handle: function handle(event) {
        var ret,
            target = this,
            related = event.relatedTarget,
            handleObj = event.handleObj; // For mousenter/leave call the handler if related is outside the target.
        // NB: No relatedTarget if the mouse left/entered the browser window

        if (!related || related !== target && !jQuery.contains(target, related)) {
          event.type = handleObj.origType;
          ret = handleObj.handler.apply(this, arguments);
          event.type = fix;
        }

        return ret;
      }
    };
  }); // IE submit delegation

  if (!support.submitBubbles) {
    jQuery.event.special.submit = {
      setup: function setup() {
        // Only need this for delegated form submit events
        if (jQuery.nodeName(this, "form")) {
          return false;
        } // Lazy-add a submit handler when a descendant form may potentially be submitted


        jQuery.event.add(this, "click._submit keypress._submit", function (e) {
          // Node name check avoids a VML-related crash in IE (#9807)
          var elem = e.target,
              form = jQuery.nodeName(elem, "input") || jQuery.nodeName(elem, "button") ? elem.form : undefined;

          if (form && !jQuery._data(form, "submitBubbles")) {
            jQuery.event.add(form, "submit._submit", function (event) {
              event._submit_bubble = true;
            });

            jQuery._data(form, "submitBubbles", true);
          }
        }); // return undefined since we don't need an event listener
      },
      postDispatch: function postDispatch(event) {
        // If form was submitted by the user, bubble the event up the tree
        if (event._submit_bubble) {
          delete event._submit_bubble;

          if (this.parentNode && !event.isTrigger) {
            jQuery.event.simulate("submit", this.parentNode, event, true);
          }
        }
      },
      teardown: function teardown() {
        // Only need this for delegated form submit events
        if (jQuery.nodeName(this, "form")) {
          return false;
        } // Remove delegated handlers; cleanData eventually reaps submit handlers attached above


        jQuery.event.remove(this, "._submit");
      }
    };
  } // IE change delegation and checkbox/radio fix


  if (!support.changeBubbles) {
    jQuery.event.special.change = {
      setup: function setup() {
        if (rformElems.test(this.nodeName)) {
          // IE doesn't fire change on a check/radio until blur; trigger it on click
          // after a propertychange. Eat the blur-change in special.change.handle.
          // This still fires onchange a second time for check/radio after blur.
          if (this.type === "checkbox" || this.type === "radio") {
            jQuery.event.add(this, "propertychange._change", function (event) {
              if (event.originalEvent.propertyName === "checked") {
                this._just_changed = true;
              }
            });
            jQuery.event.add(this, "click._change", function (event) {
              if (this._just_changed && !event.isTrigger) {
                this._just_changed = false;
              } // Allow triggered, simulated change events (#11500)


              jQuery.event.simulate("change", this, event, true);
            });
          }

          return false;
        } // Delegated event; lazy-add a change handler on descendant inputs


        jQuery.event.add(this, "beforeactivate._change", function (e) {
          var elem = e.target;

          if (rformElems.test(elem.nodeName) && !jQuery._data(elem, "changeBubbles")) {
            jQuery.event.add(elem, "change._change", function (event) {
              if (this.parentNode && !event.isSimulated && !event.isTrigger) {
                jQuery.event.simulate("change", this.parentNode, event, true);
              }
            });

            jQuery._data(elem, "changeBubbles", true);
          }
        });
      },
      handle: function handle(event) {
        var elem = event.target; // Swallow native change events from checkbox/radio, we already triggered them above

        if (this !== elem || event.isSimulated || event.isTrigger || elem.type !== "radio" && elem.type !== "checkbox") {
          return event.handleObj.handler.apply(this, arguments);
        }
      },
      teardown: function teardown() {
        jQuery.event.remove(this, "._change");
        return !rformElems.test(this.nodeName);
      }
    };
  } // Create "bubbling" focus and blur events


  if (!support.focusinBubbles) {
    jQuery.each({
      focus: "focusin",
      blur: "focusout"
    }, function (orig, fix) {
      // Attach a single capturing handler on the document while someone wants focusin/focusout
      var handler = function handler(event) {
        jQuery.event.simulate(fix, event.target, jQuery.event.fix(event), true);
      };

      jQuery.event.special[fix] = {
        setup: function setup() {
          var doc = this.ownerDocument || this,
              attaches = jQuery._data(doc, fix);

          if (!attaches) {
            doc.addEventListener(orig, handler, true);
          }

          jQuery._data(doc, fix, (attaches || 0) + 1);
        },
        teardown: function teardown() {
          var doc = this.ownerDocument || this,
              attaches = jQuery._data(doc, fix) - 1;

          if (!attaches) {
            doc.removeEventListener(orig, handler, true);

            jQuery._removeData(doc, fix);
          } else {
            jQuery._data(doc, fix, attaches);
          }
        }
      };
    });
  }

  jQuery.fn.extend({
    on: function on(types, selector, data, fn,
    /*INTERNAL*/
    one) {
      var type, origFn; // Types can be a map of types/handlers

      if (_typeof(types) === "object") {
        // ( types-Object, selector, data )
        if (typeof selector !== "string") {
          // ( types-Object, data )
          data = data || selector;
          selector = undefined;
        }

        for (type in types) {
          this.on(type, selector, data, types[type], one);
        }

        return this;
      }

      if (data == null && fn == null) {
        // ( types, fn )
        fn = selector;
        data = selector = undefined;
      } else if (fn == null) {
        if (typeof selector === "string") {
          // ( types, selector, fn )
          fn = data;
          data = undefined;
        } else {
          // ( types, data, fn )
          fn = data;
          data = selector;
          selector = undefined;
        }
      }

      if (fn === false) {
        fn = returnFalse;
      } else if (!fn) {
        return this;
      }

      if (one === 1) {
        origFn = fn;

        fn = function fn(event) {
          // Can use an empty set, since event contains the info
          jQuery().off(event);
          return origFn.apply(this, arguments);
        }; // Use same guid so caller can remove using origFn


        fn.guid = origFn.guid || (origFn.guid = jQuery.guid++);
      }

      return this.each(function () {
        jQuery.event.add(this, types, fn, data, selector);
      });
    },
    one: function one(types, selector, data, fn) {
      return this.on(types, selector, data, fn, 1);
    },
    off: function off(types, selector, fn) {
      var handleObj, type;

      if (types && types.preventDefault && types.handleObj) {
        // ( event )  dispatched jQuery.Event
        handleObj = types.handleObj;
        jQuery(types.delegateTarget).off(handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, handleObj.selector, handleObj.handler);
        return this;
      }

      if (_typeof(types) === "object") {
        // ( types-object [, selector] )
        for (type in types) {
          this.off(type, selector, types[type]);
        }

        return this;
      }

      if (selector === false || typeof selector === "function") {
        // ( types [, fn] )
        fn = selector;
        selector = undefined;
      }

      if (fn === false) {
        fn = returnFalse;
      }

      return this.each(function () {
        jQuery.event.remove(this, types, fn, selector);
      });
    },
    trigger: function trigger(type, data) {
      return this.each(function () {
        jQuery.event.trigger(type, data, this);
      });
    },
    triggerHandler: function triggerHandler(type, data) {
      var elem = this[0];

      if (elem) {
        return jQuery.event.trigger(type, data, elem, true);
      }
    }
  });

  function createSafeFragment(document) {
    var list = nodeNames.split("|"),
        safeFrag = document.createDocumentFragment();

    if (safeFrag.createElement) {
      while (list.length) {
        safeFrag.createElement(list.pop());
      }
    }

    return safeFrag;
  }

  var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" + "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
      rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
      rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
      rleadingWhitespace = /^\s+/,
      rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
      rtagName = /<([\w:]+)/,
      rtbody = /<tbody/i,
      rhtml = /<|&#?\w+;/,
      rnoInnerhtml = /<(?:script|style|link)/i,
      // checked="checked" or checked
  rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
      rscriptType = /^$|\/(?:java|ecma)script/i,
      rscriptTypeMasked = /^true\/(.*)/,
      rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
      // We have to close these tags to support XHTML (#13200)
  wrapMap = {
    option: [1, "<select multiple='multiple'>", "</select>"],
    legend: [1, "<fieldset>", "</fieldset>"],
    area: [1, "<map>", "</map>"],
    param: [1, "<object>", "</object>"],
    thead: [1, "<table>", "</table>"],
    tr: [2, "<table><tbody>", "</tbody></table>"],
    col: [2, "<table><tbody></tbody><colgroup>", "</colgroup></table>"],
    td: [3, "<table><tbody><tr>", "</tr></tbody></table>"],
    // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
    // unless wrapped in a div with non-breaking characters in front of it.
    _default: support.htmlSerialize ? [0, "", ""] : [1, "X<div>", "</div>"]
  },
      safeFragment = createSafeFragment(document),
      fragmentDiv = safeFragment.appendChild(document.createElement("div"));
  wrapMap.optgroup = wrapMap.option;
  wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
  wrapMap.th = wrapMap.td;

  function getAll(context, tag) {
    var elems,
        elem,
        i = 0,
        found = _typeof(context.getElementsByTagName) !== strundefined ? context.getElementsByTagName(tag || "*") : _typeof(context.querySelectorAll) !== strundefined ? context.querySelectorAll(tag || "*") : undefined;

    if (!found) {
      for (found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++) {
        if (!tag || jQuery.nodeName(elem, tag)) {
          found.push(elem);
        } else {
          jQuery.merge(found, getAll(elem, tag));
        }
      }
    }

    return tag === undefined || tag && jQuery.nodeName(context, tag) ? jQuery.merge([context], found) : found;
  } // Used in buildFragment, fixes the defaultChecked property


  function fixDefaultChecked(elem) {
    if (rcheckableType.test(elem.type)) {
      elem.defaultChecked = elem.checked;
    }
  } // Support: IE<8
  // Manipulating tables requires a tbody


  function manipulationTarget(elem, content) {
    return jQuery.nodeName(elem, "table") && jQuery.nodeName(content.nodeType !== 11 ? content : content.firstChild, "tr") ? elem.getElementsByTagName("tbody")[0] || elem.appendChild(elem.ownerDocument.createElement("tbody")) : elem;
  } // Replace/restore the type attribute of script elements for safe DOM manipulation


  function disableScript(elem) {
    elem.type = (jQuery.find.attr(elem, "type") !== null) + "/" + elem.type;
    return elem;
  }

  function restoreScript(elem) {
    var match = rscriptTypeMasked.exec(elem.type);

    if (match) {
      elem.type = match[1];
    } else {
      elem.removeAttribute("type");
    }

    return elem;
  } // Mark scripts as having already been evaluated


  function setGlobalEval(elems, refElements) {
    var elem,
        i = 0;

    for (; (elem = elems[i]) != null; i++) {
      jQuery._data(elem, "globalEval", !refElements || jQuery._data(refElements[i], "globalEval"));
    }
  }

  function cloneCopyEvent(src, dest) {
    if (dest.nodeType !== 1 || !jQuery.hasData(src)) {
      return;
    }

    var type,
        i,
        l,
        oldData = jQuery._data(src),
        curData = jQuery._data(dest, oldData),
        events = oldData.events;

    if (events) {
      delete curData.handle;
      curData.events = {};

      for (type in events) {
        for (i = 0, l = events[type].length; i < l; i++) {
          jQuery.event.add(dest, type, events[type][i]);
        }
      }
    } // make the cloned public data object a copy from the original


    if (curData.data) {
      curData.data = jQuery.extend({}, curData.data);
    }
  }

  function fixCloneNodeIssues(src, dest) {
    var nodeName, e, data; // We do not need to do anything for non-Elements

    if (dest.nodeType !== 1) {
      return;
    }

    nodeName = dest.nodeName.toLowerCase(); // IE6-8 copies events bound via attachEvent when using cloneNode.

    if (!support.noCloneEvent && dest[jQuery.expando]) {
      data = jQuery._data(dest);

      for (e in data.events) {
        jQuery.removeEvent(dest, e, data.handle);
      } // Event data gets referenced instead of copied if the expando gets copied too


      dest.removeAttribute(jQuery.expando);
    } // IE blanks contents when cloning scripts, and tries to evaluate newly-set text


    if (nodeName === "script" && dest.text !== src.text) {
      disableScript(dest).text = src.text;
      restoreScript(dest); // IE6-10 improperly clones children of object elements using classid.
      // IE10 throws NoModificationAllowedError if parent is null, #12132.
    } else if (nodeName === "object") {
      if (dest.parentNode) {
        dest.outerHTML = src.outerHTML;
      } // This path appears unavoidable for IE9. When cloning an object
      // element in IE9, the outerHTML strategy above is not sufficient.
      // If the src has innerHTML and the destination does not,
      // copy the src.innerHTML into the dest.innerHTML. #10324


      if (support.html5Clone && src.innerHTML && !jQuery.trim(dest.innerHTML)) {
        dest.innerHTML = src.innerHTML;
      }
    } else if (nodeName === "input" && rcheckableType.test(src.type)) {
      // IE6-8 fails to persist the checked state of a cloned checkbox
      // or radio button. Worse, IE6-7 fail to give the cloned element
      // a checked appearance if the defaultChecked value isn't also set
      dest.defaultChecked = dest.checked = src.checked; // IE6-7 get confused and end up setting the value of a cloned
      // checkbox/radio button to an empty string instead of "on"

      if (dest.value !== src.value) {
        dest.value = src.value;
      } // IE6-8 fails to return the selected option to the default selected
      // state when cloning options

    } else if (nodeName === "option") {
      dest.defaultSelected = dest.selected = src.defaultSelected; // IE6-8 fails to set the defaultValue to the correct value when
      // cloning other types of input fields
    } else if (nodeName === "input" || nodeName === "textarea") {
      dest.defaultValue = src.defaultValue;
    }
  }

  jQuery.extend({
    clone: function clone(elem, dataAndEvents, deepDataAndEvents) {
      var destElements,
          node,
          clone,
          i,
          srcElements,
          inPage = jQuery.contains(elem.ownerDocument, elem);

      if (support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test("<" + elem.nodeName + ">")) {
        clone = elem.cloneNode(true); // IE<=8 does not properly clone detached, unknown element nodes
      } else {
        fragmentDiv.innerHTML = elem.outerHTML;
        fragmentDiv.removeChild(clone = fragmentDiv.firstChild);
      }

      if ((!support.noCloneEvent || !support.noCloneChecked) && (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem)) {
        // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
        destElements = getAll(clone);
        srcElements = getAll(elem); // Fix all IE cloning issues

        for (i = 0; (node = srcElements[i]) != null; ++i) {
          // Ensure that the destination node is not null; Fixes #9587
          if (destElements[i]) {
            fixCloneNodeIssues(node, destElements[i]);
          }
        }
      } // Copy the events from the original to the clone


      if (dataAndEvents) {
        if (deepDataAndEvents) {
          srcElements = srcElements || getAll(elem);
          destElements = destElements || getAll(clone);

          for (i = 0; (node = srcElements[i]) != null; i++) {
            cloneCopyEvent(node, destElements[i]);
          }
        } else {
          cloneCopyEvent(elem, clone);
        }
      } // Preserve script evaluation history


      destElements = getAll(clone, "script");

      if (destElements.length > 0) {
        setGlobalEval(destElements, !inPage && getAll(elem, "script"));
      }

      destElements = srcElements = node = null; // Return the cloned set

      return clone;
    },
    buildFragment: function buildFragment(elems, context, scripts, selection) {
      var j,
          elem,
          contains,
          tmp,
          tag,
          tbody,
          wrap,
          l = elems.length,
          // Ensure a safe fragment
      safe = createSafeFragment(context),
          nodes = [],
          i = 0;

      for (; i < l; i++) {
        elem = elems[i];

        if (elem || elem === 0) {
          // Add nodes directly
          if (jQuery.type(elem) === "object") {
            jQuery.merge(nodes, elem.nodeType ? [elem] : elem); // Convert non-html into a text node
          } else if (!rhtml.test(elem)) {
            nodes.push(context.createTextNode(elem)); // Convert html into DOM nodes
          } else {
            tmp = tmp || safe.appendChild(context.createElement("div")); // Deserialize a standard representation

            tag = (rtagName.exec(elem) || ["", ""])[1].toLowerCase();
            wrap = wrapMap[tag] || wrapMap._default;
            tmp.innerHTML = wrap[1] + elem.replace(rxhtmlTag, "<$1></$2>") + wrap[2]; // Descend through wrappers to the right content

            j = wrap[0];

            while (j--) {
              tmp = tmp.lastChild;
            } // Manually add leading whitespace removed by IE


            if (!support.leadingWhitespace && rleadingWhitespace.test(elem)) {
              nodes.push(context.createTextNode(rleadingWhitespace.exec(elem)[0]));
            } // Remove IE's autoinserted <tbody> from table fragments


            if (!support.tbody) {
              // String was a <table>, *may* have spurious <tbody>
              elem = tag === "table" && !rtbody.test(elem) ? tmp.firstChild : // String was a bare <thead> or <tfoot>
              wrap[1] === "<table>" && !rtbody.test(elem) ? tmp : 0;
              j = elem && elem.childNodes.length;

              while (j--) {
                if (jQuery.nodeName(tbody = elem.childNodes[j], "tbody") && !tbody.childNodes.length) {
                  elem.removeChild(tbody);
                }
              }
            }

            jQuery.merge(nodes, tmp.childNodes); // Fix #12392 for WebKit and IE > 9

            tmp.textContent = ""; // Fix #12392 for oldIE

            while (tmp.firstChild) {
              tmp.removeChild(tmp.firstChild);
            } // Remember the top-level container for proper cleanup


            tmp = safe.lastChild;
          }
        }
      } // Fix #11356: Clear elements from fragment


      if (tmp) {
        safe.removeChild(tmp);
      } // Reset defaultChecked for any radios and checkboxes
      // about to be appended to the DOM in IE 6/7 (#8060)


      if (!support.appendChecked) {
        jQuery.grep(getAll(nodes, "input"), fixDefaultChecked);
      }

      i = 0;

      while (elem = nodes[i++]) {
        // #4087 - If origin and destination elements are the same, and this is
        // that element, do not do anything
        if (selection && jQuery.inArray(elem, selection) !== -1) {
          continue;
        }

        contains = jQuery.contains(elem.ownerDocument, elem); // Append to fragment

        tmp = getAll(safe.appendChild(elem), "script"); // Preserve script evaluation history

        if (contains) {
          setGlobalEval(tmp);
        } // Capture executables


        if (scripts) {
          j = 0;

          while (elem = tmp[j++]) {
            if (rscriptType.test(elem.type || "")) {
              scripts.push(elem);
            }
          }
        }
      }

      tmp = null;
      return safe;
    },
    cleanData: function cleanData(elems,
    /* internal */
    acceptData) {
      var elem,
          type,
          id,
          data,
          i = 0,
          internalKey = jQuery.expando,
          cache = jQuery.cache,
          deleteExpando = support.deleteExpando,
          special = jQuery.event.special;

      for (; (elem = elems[i]) != null; i++) {
        if (acceptData || jQuery.acceptData(elem)) {
          id = elem[internalKey];
          data = id && cache[id];

          if (data) {
            if (data.events) {
              for (type in data.events) {
                if (special[type]) {
                  jQuery.event.remove(elem, type); // This is a shortcut to avoid jQuery.event.remove's overhead
                } else {
                  jQuery.removeEvent(elem, type, data.handle);
                }
              }
            } // Remove cache only if it was not already removed by jQuery.event.remove


            if (cache[id]) {
              delete cache[id]; // IE does not allow us to delete expando properties from nodes,
              // nor does it have a removeAttribute function on Document nodes;
              // we must handle all of these cases

              if (deleteExpando) {
                delete elem[internalKey];
              } else if (_typeof(elem.removeAttribute) !== strundefined) {
                elem.removeAttribute(internalKey);
              } else {
                elem[internalKey] = null;
              }

              deletedIds.push(id);
            }
          }
        }
      }
    }
  });
  jQuery.fn.extend({
    text: function text(value) {
      return access(this, function (value) {
        return value === undefined ? jQuery.text(this) : this.empty().append((this[0] && this[0].ownerDocument || document).createTextNode(value));
      }, null, value, arguments.length);
    },
    append: function append() {
      return this.domManip(arguments, function (elem) {
        if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) {
          var target = manipulationTarget(this, elem);
          target.appendChild(elem);
        }
      });
    },
    prepend: function prepend() {
      return this.domManip(arguments, function (elem) {
        if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) {
          var target = manipulationTarget(this, elem);
          target.insertBefore(elem, target.firstChild);
        }
      });
    },
    before: function before() {
      return this.domManip(arguments, function (elem) {
        if (this.parentNode) {
          this.parentNode.insertBefore(elem, this);
        }
      });
    },
    after: function after() {
      return this.domManip(arguments, function (elem) {
        if (this.parentNode) {
          this.parentNode.insertBefore(elem, this.nextSibling);
        }
      });
    },
    remove: function remove(selector, keepData
    /* Internal Use Only */
    ) {
      var elem,
          elems = selector ? jQuery.filter(selector, this) : this,
          i = 0;

      for (; (elem = elems[i]) != null; i++) {
        if (!keepData && elem.nodeType === 1) {
          jQuery.cleanData(getAll(elem));
        }

        if (elem.parentNode) {
          if (keepData && jQuery.contains(elem.ownerDocument, elem)) {
            setGlobalEval(getAll(elem, "script"));
          }

          elem.parentNode.removeChild(elem);
        }
      }

      return this;
    },
    empty: function empty() {
      var elem,
          i = 0;

      for (; (elem = this[i]) != null; i++) {
        // Remove element nodes and prevent memory leaks
        if (elem.nodeType === 1) {
          jQuery.cleanData(getAll(elem, false));
        } // Remove any remaining nodes


        while (elem.firstChild) {
          elem.removeChild(elem.firstChild);
        } // If this is a select, ensure that it displays empty (#12336)
        // Support: IE<9


        if (elem.options && jQuery.nodeName(elem, "select")) {
          elem.options.length = 0;
        }
      }

      return this;
    },
    clone: function clone(dataAndEvents, deepDataAndEvents) {
      dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
      deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
      return this.map(function () {
        return jQuery.clone(this, dataAndEvents, deepDataAndEvents);
      });
    },
    html: function html(value) {
      return access(this, function (value) {
        var elem = this[0] || {},
            i = 0,
            l = this.length;

        if (value === undefined) {
          return elem.nodeType === 1 ? elem.innerHTML.replace(rinlinejQuery, "") : undefined;
        } // See if we can take a shortcut and just use innerHTML


        if (typeof value === "string" && !rnoInnerhtml.test(value) && (support.htmlSerialize || !rnoshimcache.test(value)) && (support.leadingWhitespace || !rleadingWhitespace.test(value)) && !wrapMap[(rtagName.exec(value) || ["", ""])[1].toLowerCase()]) {
          value = value.replace(rxhtmlTag, "<$1></$2>");

          try {
            for (; i < l; i++) {
              // Remove element nodes and prevent memory leaks
              elem = this[i] || {};

              if (elem.nodeType === 1) {
                jQuery.cleanData(getAll(elem, false));
                elem.innerHTML = value;
              }
            }

            elem = 0; // If using innerHTML throws an exception, use the fallback method
          } catch (e) {}
        }

        if (elem) {
          this.empty().append(value);
        }
      }, null, value, arguments.length);
    },
    replaceWith: function replaceWith() {
      var arg = arguments[0]; // Make the changes, replacing each context element with the new content

      this.domManip(arguments, function (elem) {
        arg = this.parentNode;
        jQuery.cleanData(getAll(this));

        if (arg) {
          arg.replaceChild(elem, this);
        }
      }); // Force removal if there was no new content (e.g., from empty arguments)

      return arg && (arg.length || arg.nodeType) ? this : this.remove();
    },
    detach: function detach(selector) {
      return this.remove(selector, true);
    },
    domManip: function domManip(args, callback) {
      // Flatten any nested arrays
      args = concat.apply([], args);
      var first,
          node,
          hasScripts,
          scripts,
          doc,
          fragment,
          i = 0,
          l = this.length,
          set = this,
          iNoClone = l - 1,
          value = args[0],
          isFunction = jQuery.isFunction(value); // We can't cloneNode fragments that contain checked, in WebKit

      if (isFunction || l > 1 && typeof value === "string" && !support.checkClone && rchecked.test(value)) {
        return this.each(function (index) {
          var self = set.eq(index);

          if (isFunction) {
            args[0] = value.call(this, index, self.html());
          }

          self.domManip(args, callback);
        });
      }

      if (l) {
        fragment = jQuery.buildFragment(args, this[0].ownerDocument, false, this);
        first = fragment.firstChild;

        if (fragment.childNodes.length === 1) {
          fragment = first;
        }

        if (first) {
          scripts = jQuery.map(getAll(fragment, "script"), disableScript);
          hasScripts = scripts.length; // Use the original fragment for the last item instead of the first because it can end up
          // being emptied incorrectly in certain situations (#8070).

          for (; i < l; i++) {
            node = fragment;

            if (i !== iNoClone) {
              node = jQuery.clone(node, true, true); // Keep references to cloned scripts for later restoration

              if (hasScripts) {
                jQuery.merge(scripts, getAll(node, "script"));
              }
            }

            callback.call(this[i], node, i);
          }

          if (hasScripts) {
            doc = scripts[scripts.length - 1].ownerDocument; // Reenable scripts

            jQuery.map(scripts, restoreScript); // Evaluate executable scripts on first document insertion

            for (i = 0; i < hasScripts; i++) {
              node = scripts[i];

              if (rscriptType.test(node.type || "") && !jQuery._data(node, "globalEval") && jQuery.contains(doc, node)) {
                if (node.src) {
                  // Optional AJAX dependency, but won't run scripts if not present
                  if (jQuery._evalUrl) {
                    jQuery._evalUrl(node.src);
                  }
                } else {
                  jQuery.globalEval((node.text || node.textContent || node.innerHTML || "").replace(rcleanScript, ""));
                }
              }
            }
          } // Fix #11809: Avoid leaking memory


          fragment = first = null;
        }
      }

      return this;
    }
  });
  jQuery.each({
    appendTo: "append",
    prependTo: "prepend",
    insertBefore: "before",
    insertAfter: "after",
    replaceAll: "replaceWith"
  }, function (name, original) {
    jQuery.fn[name] = function (selector) {
      var elems,
          i = 0,
          ret = [],
          insert = jQuery(selector),
          last = insert.length - 1;

      for (; i <= last; i++) {
        elems = i === last ? this : this.clone(true);
        jQuery(insert[i])[original](elems); // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()

        push.apply(ret, elems.get());
      }

      return this.pushStack(ret);
    };
  });
  var iframe,
      elemdisplay = {};
  /**
   * Retrieve the actual display of a element
   * @param {String} name nodeName of the element
   * @param {Object} doc Document object
   */
  // Called only from within defaultDisplay

  function actualDisplay(name, doc) {
    var elem = jQuery(doc.createElement(name)).appendTo(doc.body),
        // getDefaultComputedStyle might be reliably used only on attached element
    display = window.getDefaultComputedStyle ? // Use of this method is a temporary fix (more like optmization) until something better comes along,
    // since it was removed from specification and supported only in FF
    window.getDefaultComputedStyle(elem[0]).display : jQuery.css(elem[0], "display"); // We don't have any data stored on the element,
    // so use "detach" method as fast way to get rid of the element

    elem.detach();
    return display;
  }
  /**
   * Try to determine the default display value of an element
   * @param {String} nodeName
   */


  function defaultDisplay(nodeName) {
    var doc = document,
        display = elemdisplay[nodeName];

    if (!display) {
      display = actualDisplay(nodeName, doc); // If the simple way fails, read from inside an iframe

      if (display === "none" || !display) {
        // Use the already-created iframe if possible
        iframe = (iframe || jQuery("<iframe frameborder='0' width='0' height='0'/>")).appendTo(doc.documentElement); // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse

        doc = (iframe[0].contentWindow || iframe[0].contentDocument).document; // Support: IE

        doc.write();
        doc.close();
        display = actualDisplay(nodeName, doc);
        iframe.detach();
      } // Store the correct default display


      elemdisplay[nodeName] = display;
    }

    return display;
  }

  (function () {
    var a,
        shrinkWrapBlocksVal,
        div = document.createElement("div"),
        divReset = "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;" + "display:block;padding:0;margin:0;border:0"; // Setup

    div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
    a = div.getElementsByTagName("a")[0];
    a.style.cssText = "float:left;opacity:.5"; // Make sure that element opacity exists
    // (IE uses filter instead)
    // Use a regex to work around a WebKit issue. See #5145

    support.opacity = /^0.5/.test(a.style.opacity); // Verify style float existence
    // (IE uses styleFloat instead of cssFloat)

    support.cssFloat = !!a.style.cssFloat;
    div.style.backgroundClip = "content-box";
    div.cloneNode(true).style.backgroundClip = "";
    support.clearCloneStyle = div.style.backgroundClip === "content-box"; // Null elements to avoid leaks in IE.

    a = div = null;

    support.shrinkWrapBlocks = function () {
      var body, container, div, containerStyles;

      if (shrinkWrapBlocksVal == null) {
        body = document.getElementsByTagName("body")[0];

        if (!body) {
          // Test fired too early or in an unsupported environment, exit.
          return;
        }

        containerStyles = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px";
        container = document.createElement("div");
        div = document.createElement("div");
        body.appendChild(container).appendChild(div); // Will be changed later if needed.

        shrinkWrapBlocksVal = false;

        if (_typeof(div.style.zoom) !== strundefined) {
          // Support: IE6
          // Check if elements with layout shrink-wrap their children
          div.style.cssText = divReset + ";width:1px;padding:1px;zoom:1";
          div.innerHTML = "<div></div>";
          div.firstChild.style.width = "5px";
          shrinkWrapBlocksVal = div.offsetWidth !== 3;
        }

        body.removeChild(container); // Null elements to avoid leaks in IE.

        body = container = div = null;
      }

      return shrinkWrapBlocksVal;
    };
  })();

  var rmargin = /^margin/;
  var rnumnonpx = new RegExp("^(" + pnum + ")(?!px)[a-z%]+$", "i");
  var getStyles,
      curCSS,
      rposition = /^(top|right|bottom|left)$/;

  if (window.getComputedStyle) {
    getStyles = function getStyles(elem) {
      return elem.ownerDocument.defaultView.getComputedStyle(elem, null);
    };

    curCSS = function curCSS(elem, name, computed) {
      var width,
          minWidth,
          maxWidth,
          ret,
          style = elem.style;
      computed = computed || getStyles(elem); // getPropertyValue is only needed for .css('filter') in IE9, see #12537

      ret = computed ? computed.getPropertyValue(name) || computed[name] : undefined;

      if (computed) {
        if (ret === "" && !jQuery.contains(elem.ownerDocument, elem)) {
          ret = jQuery.style(elem, name);
        } // A tribute to the "awesome hack by Dean Edwards"
        // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
        // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
        // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values


        if (rnumnonpx.test(ret) && rmargin.test(name)) {
          // Remember the original values
          width = style.width;
          minWidth = style.minWidth;
          maxWidth = style.maxWidth; // Put in the new values to get a computed value out

          style.minWidth = style.maxWidth = style.width = ret;
          ret = computed.width; // Revert the changed values

          style.width = width;
          style.minWidth = minWidth;
          style.maxWidth = maxWidth;
        }
      } // Support: IE
      // IE returns zIndex value as an integer.


      return ret === undefined ? ret : ret + "";
    };
  } else if (document.documentElement.currentStyle) {
    getStyles = function getStyles(elem) {
      return elem.currentStyle;
    };

    curCSS = function curCSS(elem, name, computed) {
      var left,
          rs,
          rsLeft,
          ret,
          style = elem.style;
      computed = computed || getStyles(elem);
      ret = computed ? computed[name] : undefined; // Avoid setting ret to empty string here
      // so we don't default to auto

      if (ret == null && style && style[name]) {
        ret = style[name];
      } // From the awesome hack by Dean Edwards
      // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
      // If we're not dealing with a regular pixel number
      // but a number that has a weird ending, we need to convert it to pixels
      // but not position css attributes, as those are proportional to the parent element instead
      // and we can't measure the parent instead because it might trigger a "stacking dolls" problem


      if (rnumnonpx.test(ret) && !rposition.test(name)) {
        // Remember the original values
        left = style.left;
        rs = elem.runtimeStyle;
        rsLeft = rs && rs.left; // Put in the new values to get a computed value out

        if (rsLeft) {
          rs.left = elem.currentStyle.left;
        }

        style.left = name === "fontSize" ? "1em" : ret;
        ret = style.pixelLeft + "px"; // Revert the changed values

        style.left = left;

        if (rsLeft) {
          rs.left = rsLeft;
        }
      } // Support: IE
      // IE returns zIndex value as an integer.


      return ret === undefined ? ret : ret + "" || "auto";
    };
  }

  function addGetHookIf(conditionFn, hookFn) {
    // Define the hook, we'll check on the first run if it's really needed.
    return {
      get: function get() {
        var condition = conditionFn();

        if (condition == null) {
          // The test was not ready at this point; screw the hook this time
          // but check again when needed next time.
          return;
        }

        if (condition) {
          // Hook not needed (or it's not possible to use it due to missing dependency),
          // remove it.
          // Since there are no other hooks for marginRight, remove the whole object.
          delete this.get;
          return;
        } // Hook needed; redefine it so that the support test is not executed again.


        return (this.get = hookFn).apply(this, arguments);
      }
    };
  }

  (function () {
    var a,
        reliableHiddenOffsetsVal,
        boxSizingVal,
        boxSizingReliableVal,
        pixelPositionVal,
        reliableMarginRightVal,
        div = document.createElement("div"),
        containerStyles = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px",
        divReset = "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;" + "display:block;padding:0;margin:0;border:0"; // Setup

    div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
    a = div.getElementsByTagName("a")[0];
    a.style.cssText = "float:left;opacity:.5"; // Make sure that element opacity exists
    // (IE uses filter instead)
    // Use a regex to work around a WebKit issue. See #5145

    support.opacity = /^0.5/.test(a.style.opacity); // Verify style float existence
    // (IE uses styleFloat instead of cssFloat)

    support.cssFloat = !!a.style.cssFloat;
    div.style.backgroundClip = "content-box";
    div.cloneNode(true).style.backgroundClip = "";
    support.clearCloneStyle = div.style.backgroundClip === "content-box"; // Null elements to avoid leaks in IE.

    a = div = null;
    jQuery.extend(support, {
      reliableHiddenOffsets: function reliableHiddenOffsets() {
        if (reliableHiddenOffsetsVal != null) {
          return reliableHiddenOffsetsVal;
        }

        var container,
            tds,
            isSupported,
            div = document.createElement("div"),
            body = document.getElementsByTagName("body")[0];

        if (!body) {
          // Return for frameset docs that don't have a body
          return;
        } // Setup


        div.setAttribute("className", "t");
        div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
        container = document.createElement("div");
        container.style.cssText = containerStyles;
        body.appendChild(container).appendChild(div); // Support: IE8
        // Check if table cells still have offsetWidth/Height when they are set
        // to display:none and there are still other visible table cells in a
        // table row; if so, offsetWidth/Height are not reliable for use when
        // determining if an element has been hidden directly using
        // display:none (it is still safe to use offsets if a parent element is
        // hidden; don safety goggles and see bug #4512 for more information).

        div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
        tds = div.getElementsByTagName("td");
        tds[0].style.cssText = "padding:0;margin:0;border:0;display:none";
        isSupported = tds[0].offsetHeight === 0;
        tds[0].style.display = "";
        tds[1].style.display = "none"; // Support: IE8
        // Check if empty table cells still have offsetWidth/Height

        reliableHiddenOffsetsVal = isSupported && tds[0].offsetHeight === 0;
        body.removeChild(container); // Null elements to avoid leaks in IE.

        div = body = null;
        return reliableHiddenOffsetsVal;
      },
      boxSizing: function boxSizing() {
        if (boxSizingVal == null) {
          computeStyleTests();
        }

        return boxSizingVal;
      },
      boxSizingReliable: function boxSizingReliable() {
        if (boxSizingReliableVal == null) {
          computeStyleTests();
        }

        return boxSizingReliableVal;
      },
      pixelPosition: function pixelPosition() {
        if (pixelPositionVal == null) {
          computeStyleTests();
        }

        return pixelPositionVal;
      },
      reliableMarginRight: function reliableMarginRight() {
        var body, container, div, marginDiv; // Use window.getComputedStyle because jsdom on node.js will break without it.

        if (reliableMarginRightVal == null && window.getComputedStyle) {
          body = document.getElementsByTagName("body")[0];

          if (!body) {
            // Test fired too early or in an unsupported environment, exit.
            return;
          }

          container = document.createElement("div");
          div = document.createElement("div");
          container.style.cssText = containerStyles;
          body.appendChild(container).appendChild(div); // Check if div with explicit width and no margin-right incorrectly
          // gets computed margin-right based on width of container. (#3333)
          // Fails in WebKit before Feb 2011 nightlies
          // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right

          marginDiv = div.appendChild(document.createElement("div"));
          marginDiv.style.cssText = div.style.cssText = divReset;
          marginDiv.style.marginRight = marginDiv.style.width = "0";
          div.style.width = "1px";
          reliableMarginRightVal = !parseFloat((window.getComputedStyle(marginDiv, null) || {}).marginRight);
          body.removeChild(container);
        }

        return reliableMarginRightVal;
      }
    });

    function computeStyleTests() {
      var container,
          div,
          body = document.getElementsByTagName("body")[0];

      if (!body) {
        // Test fired too early or in an unsupported environment, exit.
        return;
      }

      container = document.createElement("div");
      div = document.createElement("div");
      container.style.cssText = containerStyles;
      body.appendChild(container).appendChild(div);
      div.style.cssText = "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;" + "position:absolute;display:block;padding:1px;border:1px;width:4px;" + "margin-top:1%;top:1%"; // Workaround failing boxSizing test due to offsetWidth returning wrong value
      // with some non-1 values of body zoom, ticket #13543

      jQuery.swap(body, body.style.zoom != null ? {
        zoom: 1
      } : {}, function () {
        boxSizingVal = div.offsetWidth === 4;
      }); // Will be changed later if needed.

      boxSizingReliableVal = true;
      pixelPositionVal = false;
      reliableMarginRightVal = true; // Use window.getComputedStyle because jsdom on node.js will break without it.

      if (window.getComputedStyle) {
        pixelPositionVal = (window.getComputedStyle(div, null) || {}).top !== "1%";
        boxSizingReliableVal = (window.getComputedStyle(div, null) || {
          width: "4px"
        }).width === "4px";
      }

      body.removeChild(container); // Null elements to avoid leaks in IE.

      div = body = null;
    }
  })(); // A method for quickly swapping in/out CSS properties to get correct calculations.


  jQuery.swap = function (elem, options, callback, args) {
    var ret,
        name,
        old = {}; // Remember the old values, and insert the new ones

    for (name in options) {
      old[name] = elem.style[name];
      elem.style[name] = options[name];
    }

    ret = callback.apply(elem, args || []); // Revert the old values

    for (name in options) {
      elem.style[name] = old[name];
    }

    return ret;
  };

  var ralpha = /alpha\([^)]*\)/i,
      ropacity = /opacity\s*=\s*([^)]*)/,
      // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
  // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
  rdisplayswap = /^(none|table(?!-c[ea]).+)/,
      rnumsplit = new RegExp("^(" + pnum + ")(.*)$", "i"),
      rrelNum = new RegExp("^([+-])=(" + pnum + ")", "i"),
      cssShow = {
    position: "absolute",
    visibility: "hidden",
    display: "block"
  },
      cssNormalTransform = {
    letterSpacing: 0,
    fontWeight: 400
  },
      cssPrefixes = ["Webkit", "O", "Moz", "ms"]; // return a css property mapped to a potentially vendor prefixed property

  function vendorPropName(style, name) {
    // shortcut for names that are not vendor prefixed
    if (name in style) {
      return name;
    } // check for vendor prefixed names


    var capName = name.charAt(0).toUpperCase() + name.slice(1),
        origName = name,
        i = cssPrefixes.length;

    while (i--) {
      name = cssPrefixes[i] + capName;

      if (name in style) {
        return name;
      }
    }

    return origName;
  }

  function showHide(elements, show) {
    var display,
        elem,
        hidden,
        values = [],
        index = 0,
        length = elements.length;

    for (; index < length; index++) {
      elem = elements[index];

      if (!elem.style) {
        continue;
      }

      values[index] = jQuery._data(elem, "olddisplay");
      display = elem.style.display;

      if (show) {
        // Reset the inline display of this element to learn if it is
        // being hidden by cascaded rules or not
        if (!values[index] && display === "none") {
          elem.style.display = "";
        } // Set elements which have been overridden with display: none
        // in a stylesheet to whatever the default browser style is
        // for such an element


        if (elem.style.display === "" && isHidden(elem)) {
          values[index] = jQuery._data(elem, "olddisplay", defaultDisplay(elem.nodeName));
        }
      } else {
        if (!values[index]) {
          hidden = isHidden(elem);

          if (display && display !== "none" || !hidden) {
            jQuery._data(elem, "olddisplay", hidden ? display : jQuery.css(elem, "display"));
          }
        }
      }
    } // Set the display of most of the elements in a second loop
    // to avoid the constant reflow


    for (index = 0; index < length; index++) {
      elem = elements[index];

      if (!elem.style) {
        continue;
      }

      if (!show || elem.style.display === "none" || elem.style.display === "") {
        elem.style.display = show ? values[index] || "" : "none";
      }
    }

    return elements;
  }

  function setPositiveNumber(elem, value, subtract) {
    var matches = rnumsplit.exec(value);
    return matches ? // Guard against undefined "subtract", e.g., when used as in cssHooks
    Math.max(0, matches[1] - (subtract || 0)) + (matches[2] || "px") : value;
  }

  function augmentWidthOrHeight(elem, name, extra, isBorderBox, styles) {
    var i = extra === (isBorderBox ? "border" : "content") ? // If we already have the right measurement, avoid augmentation
    4 : // Otherwise initialize for horizontal or vertical properties
    name === "width" ? 1 : 0,
        val = 0;

    for (; i < 4; i += 2) {
      // both box models exclude margin, so add it if we want it
      if (extra === "margin") {
        val += jQuery.css(elem, extra + cssExpand[i], true, styles);
      }

      if (isBorderBox) {
        // border-box includes padding, so remove it if we want content
        if (extra === "content") {
          val -= jQuery.css(elem, "padding" + cssExpand[i], true, styles);
        } // at this point, extra isn't border nor margin, so remove border


        if (extra !== "margin") {
          val -= jQuery.css(elem, "border" + cssExpand[i] + "Width", true, styles);
        }
      } else {
        // at this point, extra isn't content, so add padding
        val += jQuery.css(elem, "padding" + cssExpand[i], true, styles); // at this point, extra isn't content nor padding, so add border

        if (extra !== "padding") {
          val += jQuery.css(elem, "border" + cssExpand[i] + "Width", true, styles);
        }
      }
    }

    return val;
  }

  function getWidthOrHeight(elem, name, extra) {
    // Start with offset property, which is equivalent to the border-box value
    var valueIsBorderBox = true,
        val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
        styles = getStyles(elem),
        isBorderBox = support.boxSizing() && jQuery.css(elem, "boxSizing", false, styles) === "border-box"; // some non-html elements return undefined for offsetWidth, so check for null/undefined
    // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
    // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668

    if (val <= 0 || val == null) {
      // Fall back to computed then uncomputed css if necessary
      val = curCSS(elem, name, styles);

      if (val < 0 || val == null) {
        val = elem.style[name];
      } // Computed unit is not pixels. Stop here and return.


      if (rnumnonpx.test(val)) {
        return val;
      } // we need the check for style in case a browser which returns unreliable values
      // for getComputedStyle silently falls back to the reliable elem.style


      valueIsBorderBox = isBorderBox && (support.boxSizingReliable() || val === elem.style[name]); // Normalize "", auto, and prepare for extra

      val = parseFloat(val) || 0;
    } // use the active box-sizing model to add/subtract irrelevant styles


    return val + augmentWidthOrHeight(elem, name, extra || (isBorderBox ? "border" : "content"), valueIsBorderBox, styles) + "px";
  }

  jQuery.extend({
    // Add in style property hooks for overriding the default
    // behavior of getting and setting a style property
    cssHooks: {
      opacity: {
        get: function get(elem, computed) {
          if (computed) {
            // We should always get a number back from opacity
            var ret = curCSS(elem, "opacity");
            return ret === "" ? "1" : ret;
          }
        }
      }
    },
    // Don't automatically add "px" to these possibly-unitless properties
    cssNumber: {
      "columnCount": true,
      "fillOpacity": true,
      "fontWeight": true,
      "lineHeight": true,
      "opacity": true,
      "order": true,
      "orphans": true,
      "widows": true,
      "zIndex": true,
      "zoom": true
    },
    // Add in properties whose names you wish to fix before
    // setting or getting the value
    cssProps: {
      // normalize float css property
      "float": support.cssFloat ? "cssFloat" : "styleFloat"
    },
    // Get and set the style property on a DOM Node
    style: function style(elem, name, value, extra) {
      // Don't set styles on text and comment nodes
      if (!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style) {
        return;
      } // Make sure that we're working with the right name


      var ret,
          type,
          hooks,
          origName = jQuery.camelCase(name),
          style = elem.style;
      name = jQuery.cssProps[origName] || (jQuery.cssProps[origName] = vendorPropName(style, origName)); // gets hook for the prefixed version
      // followed by the unprefixed version

      hooks = jQuery.cssHooks[name] || jQuery.cssHooks[origName]; // Check if we're setting a value

      if (value !== undefined) {
        type = _typeof(value); // convert relative number strings (+= or -=) to relative numbers. #7345

        if (type === "string" && (ret = rrelNum.exec(value))) {
          value = (ret[1] + 1) * ret[2] + parseFloat(jQuery.css(elem, name)); // Fixes bug #9237

          type = "number";
        } // Make sure that null and NaN values aren't set. See: #7116


        if (value == null || value !== value) {
          return;
        } // If a number was passed in, add 'px' to the (except for certain CSS properties)


        if (type === "number" && !jQuery.cssNumber[origName]) {
          value += "px";
        } // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
        // but it would mean to define eight (for every problematic property) identical functions


        if (!support.clearCloneStyle && value === "" && name.indexOf("background") === 0) {
          style[name] = "inherit";
        } // If a hook was provided, use that value, otherwise just set the specified value


        if (!hooks || !("set" in hooks) || (value = hooks.set(elem, value, extra)) !== undefined) {
          // Support: IE
          // Swallow errors from 'invalid' CSS values (#5509)
          try {
            // Support: Chrome, Safari
            // Setting style to blank string required to delete "style: x !important;"
            style[name] = "";
            style[name] = value;
          } catch (e) {}
        }
      } else {
        // If a hook was provided get the non-computed value from there
        if (hooks && "get" in hooks && (ret = hooks.get(elem, false, extra)) !== undefined) {
          return ret;
        } // Otherwise just get the value from the style object


        return style[name];
      }
    },
    css: function css(elem, name, extra, styles) {
      var num,
          val,
          hooks,
          origName = jQuery.camelCase(name); // Make sure that we're working with the right name

      name = jQuery.cssProps[origName] || (jQuery.cssProps[origName] = vendorPropName(elem.style, origName)); // gets hook for the prefixed version
      // followed by the unprefixed version

      hooks = jQuery.cssHooks[name] || jQuery.cssHooks[origName]; // If a hook was provided get the computed value from there

      if (hooks && "get" in hooks) {
        val = hooks.get(elem, true, extra);
      } // Otherwise, if a way to get the computed value exists, use that


      if (val === undefined) {
        val = curCSS(elem, name, styles);
      } //convert "normal" to computed value


      if (val === "normal" && name in cssNormalTransform) {
        val = cssNormalTransform[name];
      } // Return, converting to number if forced or a qualifier was provided and val looks numeric


      if (extra === "" || extra) {
        num = parseFloat(val);
        return extra === true || jQuery.isNumeric(num) ? num || 0 : val;
      }

      return val;
    }
  });
  jQuery.each(["height", "width"], function (i, name) {
    jQuery.cssHooks[name] = {
      get: function get(elem, computed, extra) {
        if (computed) {
          // certain elements can have dimension info if we invisibly show them
          // however, it must have a current display style that would benefit from this
          return elem.offsetWidth === 0 && rdisplayswap.test(jQuery.css(elem, "display")) ? jQuery.swap(elem, cssShow, function () {
            return getWidthOrHeight(elem, name, extra);
          }) : getWidthOrHeight(elem, name, extra);
        }
      },
      set: function set(elem, value, extra) {
        var styles = extra && getStyles(elem);
        return setPositiveNumber(elem, value, extra ? augmentWidthOrHeight(elem, name, extra, support.boxSizing() && jQuery.css(elem, "boxSizing", false, styles) === "border-box", styles) : 0);
      }
    };
  });

  if (!support.opacity) {
    jQuery.cssHooks.opacity = {
      get: function get(elem, computed) {
        // IE uses filters for opacity
        return ropacity.test((computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "") ? 0.01 * parseFloat(RegExp.$1) + "" : computed ? "1" : "";
      },
      set: function set(elem, value) {
        var style = elem.style,
            currentStyle = elem.currentStyle,
            opacity = jQuery.isNumeric(value) ? "alpha(opacity=" + value * 100 + ")" : "",
            filter = currentStyle && currentStyle.filter || style.filter || ""; // IE has trouble with opacity if it does not have layout
        // Force it by setting the zoom level

        style.zoom = 1; // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
        // if value === "", then remove inline opacity #12685

        if ((value >= 1 || value === "") && jQuery.trim(filter.replace(ralpha, "")) === "" && style.removeAttribute) {
          // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
          // if "filter:" is present at all, clearType is disabled, we want to avoid this
          // style.removeAttribute is IE Only, but so apparently is this code path...
          style.removeAttribute("filter"); // if there is no filter style applied in a css rule or unset inline opacity, we are done

          if (value === "" || currentStyle && !currentStyle.filter) {
            return;
          }
        } // otherwise, set new filter values


        style.filter = ralpha.test(filter) ? filter.replace(ralpha, opacity) : filter + " " + opacity;
      }
    };
  }

  jQuery.cssHooks.marginRight = addGetHookIf(support.reliableMarginRight, function (elem, computed) {
    if (computed) {
      // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
      // Work around by temporarily setting element display to inline-block
      return jQuery.swap(elem, {
        "display": "inline-block"
      }, curCSS, [elem, "marginRight"]);
    }
  }); // These hooks are used by animate to expand properties

  jQuery.each({
    margin: "",
    padding: "",
    border: "Width"
  }, function (prefix, suffix) {
    jQuery.cssHooks[prefix + suffix] = {
      expand: function expand(value) {
        var i = 0,
            expanded = {},
            // assumes a single number if not a string
        parts = typeof value === "string" ? value.split(" ") : [value];

        for (; i < 4; i++) {
          expanded[prefix + cssExpand[i] + suffix] = parts[i] || parts[i - 2] || parts[0];
        }

        return expanded;
      }
    };

    if (!rmargin.test(prefix)) {
      jQuery.cssHooks[prefix + suffix].set = setPositiveNumber;
    }
  });
  jQuery.fn.extend({
    css: function css(name, value) {
      return access(this, function (elem, name, value) {
        var styles,
            len,
            map = {},
            i = 0;

        if (jQuery.isArray(name)) {
          styles = getStyles(elem);
          len = name.length;

          for (; i < len; i++) {
            map[name[i]] = jQuery.css(elem, name[i], false, styles);
          }

          return map;
        }

        return value !== undefined ? jQuery.style(elem, name, value) : jQuery.css(elem, name);
      }, name, value, arguments.length > 1);
    },
    show: function show() {
      return showHide(this, true);
    },
    hide: function hide() {
      return showHide(this);
    },
    toggle: function toggle(state) {
      if (typeof state === "boolean") {
        return state ? this.show() : this.hide();
      }

      return this.each(function () {
        if (isHidden(this)) {
          jQuery(this).show();
        } else {
          jQuery(this).hide();
        }
      });
    }
  });

  function Tween(elem, options, prop, end, easing) {
    return new Tween.prototype.init(elem, options, prop, end, easing);
  }

  jQuery.Tween = Tween;
  Tween.prototype = {
    constructor: Tween,
    init: function init(elem, options, prop, end, easing, unit) {
      this.elem = elem;
      this.prop = prop;
      this.easing = easing || "swing";
      this.options = options;
      this.start = this.now = this.cur();
      this.end = end;
      this.unit = unit || (jQuery.cssNumber[prop] ? "" : "px");
    },
    cur: function cur() {
      var hooks = Tween.propHooks[this.prop];
      return hooks && hooks.get ? hooks.get(this) : Tween.propHooks._default.get(this);
    },
    run: function run(percent) {
      var eased,
          hooks = Tween.propHooks[this.prop];

      if (this.options.duration) {
        this.pos = eased = jQuery.easing[this.easing](percent, this.options.duration * percent, 0, 1, this.options.duration);
      } else {
        this.pos = eased = percent;
      }

      this.now = (this.end - this.start) * eased + this.start;

      if (this.options.step) {
        this.options.step.call(this.elem, this.now, this);
      }

      if (hooks && hooks.set) {
        hooks.set(this);
      } else {
        Tween.propHooks._default.set(this);
      }

      return this;
    }
  };
  Tween.prototype.init.prototype = Tween.prototype;
  Tween.propHooks = {
    _default: {
      get: function get(tween) {
        var result;

        if (tween.elem[tween.prop] != null && (!tween.elem.style || tween.elem.style[tween.prop] == null)) {
          return tween.elem[tween.prop];
        } // passing an empty string as a 3rd parameter to .css will automatically
        // attempt a parseFloat and fallback to a string if the parse fails
        // so, simple values such as "10px" are parsed to Float.
        // complex values such as "rotate(1rad)" are returned as is.


        result = jQuery.css(tween.elem, tween.prop, ""); // Empty strings, null, undefined and "auto" are converted to 0.

        return !result || result === "auto" ? 0 : result;
      },
      set: function set(tween) {
        // use step hook for back compat - use cssHook if its there - use .style if its
        // available and use plain properties where available
        if (jQuery.fx.step[tween.prop]) {
          jQuery.fx.step[tween.prop](tween);
        } else if (tween.elem.style && (tween.elem.style[jQuery.cssProps[tween.prop]] != null || jQuery.cssHooks[tween.prop])) {
          jQuery.style(tween.elem, tween.prop, tween.now + tween.unit);
        } else {
          tween.elem[tween.prop] = tween.now;
        }
      }
    }
  }; // Support: IE <=9
  // Panic based approach to setting things on disconnected nodes

  Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
    set: function set(tween) {
      if (tween.elem.nodeType && tween.elem.parentNode) {
        tween.elem[tween.prop] = tween.now;
      }
    }
  };
  jQuery.easing = {
    linear: function linear(p) {
      return p;
    },
    swing: function swing(p) {
      return 0.5 - Math.cos(p * Math.PI) / 2;
    }
  };
  jQuery.fx = Tween.prototype.init; // Back Compat <1.8 extension point

  jQuery.fx.step = {};
  var fxNow,
      timerId,
      rfxtypes = /^(?:toggle|show|hide)$/,
      rfxnum = new RegExp("^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i"),
      rrun = /queueHooks$/,
      animationPrefilters = [defaultPrefilter],
      tweeners = {
    "*": [function (prop, value) {
      var tween = this.createTween(prop, value),
          target = tween.cur(),
          parts = rfxnum.exec(value),
          unit = parts && parts[3] || (jQuery.cssNumber[prop] ? "" : "px"),
          // Starting value computation is required for potential unit mismatches
      start = (jQuery.cssNumber[prop] || unit !== "px" && +target) && rfxnum.exec(jQuery.css(tween.elem, prop)),
          scale = 1,
          maxIterations = 20;

      if (start && start[3] !== unit) {
        // Trust units reported by jQuery.css
        unit = unit || start[3]; // Make sure we update the tween properties later on

        parts = parts || []; // Iteratively approximate from a nonzero starting point

        start = +target || 1;

        do {
          // If previous iteration zeroed out, double until we get *something*
          // Use a string for doubling factor so we don't accidentally see scale as unchanged below
          scale = scale || ".5"; // Adjust and apply

          start = start / scale;
          jQuery.style(tween.elem, prop, start + unit); // Update scale, tolerating zero or NaN from tween.cur()
          // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
        } while (scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations);
      } // Update tween properties


      if (parts) {
        start = tween.start = +start || +target || 0;
        tween.unit = unit; // If a +=/-= token was provided, we're doing a relative animation

        tween.end = parts[1] ? start + (parts[1] + 1) * parts[2] : +parts[2];
      }

      return tween;
    }]
  }; // Animations created synchronously will run synchronously

  function createFxNow() {
    setTimeout(function () {
      fxNow = undefined;
    });
    return fxNow = jQuery.now();
  } // Generate parameters to create a standard animation


  function genFx(type, includeWidth) {
    var which,
        attrs = {
      height: type
    },
        i = 0; // if we include width, step value is 1 to do all cssExpand values,
    // if we don't include width, step value is 2 to skip over Left and Right

    includeWidth = includeWidth ? 1 : 0;

    for (; i < 4; i += 2 - includeWidth) {
      which = cssExpand[i];
      attrs["margin" + which] = attrs["padding" + which] = type;
    }

    if (includeWidth) {
      attrs.opacity = attrs.width = type;
    }

    return attrs;
  }

  function createTween(value, prop, animation) {
    var tween,
        collection = (tweeners[prop] || []).concat(tweeners["*"]),
        index = 0,
        length = collection.length;

    for (; index < length; index++) {
      if (tween = collection[index].call(animation, prop, value)) {
        // we're done with this property
        return tween;
      }
    }
  }

  function defaultPrefilter(elem, props, opts) {
    /* jshint validthis: true */
    var prop,
        value,
        toggle,
        tween,
        hooks,
        oldfire,
        display,
        dDisplay,
        anim = this,
        orig = {},
        style = elem.style,
        hidden = elem.nodeType && isHidden(elem),
        dataShow = jQuery._data(elem, "fxshow"); // handle queue: false promises


    if (!opts.queue) {
      hooks = jQuery._queueHooks(elem, "fx");

      if (hooks.unqueued == null) {
        hooks.unqueued = 0;
        oldfire = hooks.empty.fire;

        hooks.empty.fire = function () {
          if (!hooks.unqueued) {
            oldfire();
          }
        };
      }

      hooks.unqueued++;
      anim.always(function () {
        // doing this makes sure that the complete handler will be called
        // before this completes
        anim.always(function () {
          hooks.unqueued--;

          if (!jQuery.queue(elem, "fx").length) {
            hooks.empty.fire();
          }
        });
      });
    } // height/width overflow pass


    if (elem.nodeType === 1 && ("height" in props || "width" in props)) {
      // Make sure that nothing sneaks out
      // Record all 3 overflow attributes because IE does not
      // change the overflow attribute when overflowX and
      // overflowY are set to the same value
      opts.overflow = [style.overflow, style.overflowX, style.overflowY]; // Set display property to inline-block for height/width
      // animations on inline elements that are having width/height animated

      display = jQuery.css(elem, "display");
      dDisplay = defaultDisplay(elem.nodeName);

      if (display === "none") {
        display = dDisplay;
      }

      if (display === "inline" && jQuery.css(elem, "float") === "none") {
        // inline-level elements accept inline-block;
        // block-level elements need to be inline with layout
        if (!support.inlineBlockNeedsLayout || dDisplay === "inline") {
          style.display = "inline-block";
        } else {
          style.zoom = 1;
        }
      }
    }

    if (opts.overflow) {
      style.overflow = "hidden";

      if (!support.shrinkWrapBlocks()) {
        anim.always(function () {
          style.overflow = opts.overflow[0];
          style.overflowX = opts.overflow[1];
          style.overflowY = opts.overflow[2];
        });
      }
    } // show/hide pass


    for (prop in props) {
      value = props[prop];

      if (rfxtypes.exec(value)) {
        delete props[prop];
        toggle = toggle || value === "toggle";

        if (value === (hidden ? "hide" : "show")) {
          // If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden
          if (value === "show" && dataShow && dataShow[prop] !== undefined) {
            hidden = true;
          } else {
            continue;
          }
        }

        orig[prop] = dataShow && dataShow[prop] || jQuery.style(elem, prop);
      }
    }

    if (!jQuery.isEmptyObject(orig)) {
      if (dataShow) {
        if ("hidden" in dataShow) {
          hidden = dataShow.hidden;
        }
      } else {
        dataShow = jQuery._data(elem, "fxshow", {});
      } // store state if its toggle - enables .stop().toggle() to "reverse"


      if (toggle) {
        dataShow.hidden = !hidden;
      }

      if (hidden) {
        jQuery(elem).show();
      } else {
        anim.done(function () {
          jQuery(elem).hide();
        });
      }

      anim.done(function () {
        var prop;

        jQuery._removeData(elem, "fxshow");

        for (prop in orig) {
          jQuery.style(elem, prop, orig[prop]);
        }
      });

      for (prop in orig) {
        tween = createTween(hidden ? dataShow[prop] : 0, prop, anim);

        if (!(prop in dataShow)) {
          dataShow[prop] = tween.start;

          if (hidden) {
            tween.end = tween.start;
            tween.start = prop === "width" || prop === "height" ? 1 : 0;
          }
        }
      }
    }
  }

  function propFilter(props, specialEasing) {
    var index, name, easing, value, hooks; // camelCase, specialEasing and expand cssHook pass

    for (index in props) {
      name = jQuery.camelCase(index);
      easing = specialEasing[name];
      value = props[index];

      if (jQuery.isArray(value)) {
        easing = value[1];
        value = props[index] = value[0];
      }

      if (index !== name) {
        props[name] = value;
        delete props[index];
      }

      hooks = jQuery.cssHooks[name];

      if (hooks && "expand" in hooks) {
        value = hooks.expand(value);
        delete props[name]; // not quite $.extend, this wont overwrite keys already present.
        // also - reusing 'index' from above because we have the correct "name"

        for (index in value) {
          if (!(index in props)) {
            props[index] = value[index];
            specialEasing[index] = easing;
          }
        }
      } else {
        specialEasing[name] = easing;
      }
    }
  }

  function Animation(elem, properties, options) {
    var result,
        stopped,
        index = 0,
        length = animationPrefilters.length,
        deferred = jQuery.Deferred().always(function () {
      // don't match elem in the :animated selector
      delete tick.elem;
    }),
        tick = function tick() {
      if (stopped) {
        return false;
      }

      var currentTime = fxNow || createFxNow(),
          remaining = Math.max(0, animation.startTime + animation.duration - currentTime),
          // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
      temp = remaining / animation.duration || 0,
          percent = 1 - temp,
          index = 0,
          length = animation.tweens.length;

      for (; index < length; index++) {
        animation.tweens[index].run(percent);
      }

      deferred.notifyWith(elem, [animation, percent, remaining]);

      if (percent < 1 && length) {
        return remaining;
      } else {
        deferred.resolveWith(elem, [animation]);
        return false;
      }
    },
        animation = deferred.promise({
      elem: elem,
      props: jQuery.extend({}, properties),
      opts: jQuery.extend(true, {
        specialEasing: {}
      }, options),
      originalProperties: properties,
      originalOptions: options,
      startTime: fxNow || createFxNow(),
      duration: options.duration,
      tweens: [],
      createTween: function createTween(prop, end) {
        var tween = jQuery.Tween(elem, animation.opts, prop, end, animation.opts.specialEasing[prop] || animation.opts.easing);
        animation.tweens.push(tween);
        return tween;
      },
      stop: function stop(gotoEnd) {
        var index = 0,
            // if we are going to the end, we want to run all the tweens
        // otherwise we skip this part
        length = gotoEnd ? animation.tweens.length : 0;

        if (stopped) {
          return this;
        }

        stopped = true;

        for (; index < length; index++) {
          animation.tweens[index].run(1);
        } // resolve when we played the last frame
        // otherwise, reject


        if (gotoEnd) {
          deferred.resolveWith(elem, [animation, gotoEnd]);
        } else {
          deferred.rejectWith(elem, [animation, gotoEnd]);
        }

        return this;
      }
    }),
        props = animation.props;

    propFilter(props, animation.opts.specialEasing);

    for (; index < length; index++) {
      result = animationPrefilters[index].call(animation, elem, props, animation.opts);

      if (result) {
        return result;
      }
    }

    jQuery.map(props, createTween, animation);

    if (jQuery.isFunction(animation.opts.start)) {
      animation.opts.start.call(elem, animation);
    }

    jQuery.fx.timer(jQuery.extend(tick, {
      elem: elem,
      anim: animation,
      queue: animation.opts.queue
    })); // attach callbacks from options

    return animation.progress(animation.opts.progress).done(animation.opts.done, animation.opts.complete).fail(animation.opts.fail).always(animation.opts.always);
  }

  jQuery.Animation = jQuery.extend(Animation, {
    tweener: function tweener(props, callback) {
      if (jQuery.isFunction(props)) {
        callback = props;
        props = ["*"];
      } else {
        props = props.split(" ");
      }

      var prop,
          index = 0,
          length = props.length;

      for (; index < length; index++) {
        prop = props[index];
        tweeners[prop] = tweeners[prop] || [];
        tweeners[prop].unshift(callback);
      }
    },
    prefilter: function prefilter(callback, prepend) {
      if (prepend) {
        animationPrefilters.unshift(callback);
      } else {
        animationPrefilters.push(callback);
      }
    }
  });

  jQuery.speed = function (speed, easing, fn) {
    var opt = speed && _typeof(speed) === "object" ? jQuery.extend({}, speed) : {
      complete: fn || !fn && easing || jQuery.isFunction(speed) && speed,
      duration: speed,
      easing: fn && easing || easing && !jQuery.isFunction(easing) && easing
    };
    opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration : opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[opt.duration] : jQuery.fx.speeds._default; // normalize opt.queue - true/undefined/null -> "fx"

    if (opt.queue == null || opt.queue === true) {
      opt.queue = "fx";
    } // Queueing


    opt.old = opt.complete;

    opt.complete = function () {
      if (jQuery.isFunction(opt.old)) {
        opt.old.call(this);
      }

      if (opt.queue) {
        jQuery.dequeue(this, opt.queue);
      }
    };

    return opt;
  };

  jQuery.fn.extend({
    fadeTo: function fadeTo(speed, to, easing, callback) {
      // show any hidden elements after setting opacity to 0
      return this.filter(isHidden).css("opacity", 0).show() // animate to the value specified
      .end().animate({
        opacity: to
      }, speed, easing, callback);
    },
    animate: function animate(prop, speed, easing, callback) {
      var empty = jQuery.isEmptyObject(prop),
          optall = jQuery.speed(speed, easing, callback),
          doAnimation = function doAnimation() {
        // Operate on a copy of prop so per-property easing won't be lost
        var anim = Animation(this, jQuery.extend({}, prop), optall); // Empty animations, or finishing resolves immediately

        if (empty || jQuery._data(this, "finish")) {
          anim.stop(true);
        }
      };

      doAnimation.finish = doAnimation;
      return empty || optall.queue === false ? this.each(doAnimation) : this.queue(optall.queue, doAnimation);
    },
    stop: function stop(type, clearQueue, gotoEnd) {
      var stopQueue = function stopQueue(hooks) {
        var stop = hooks.stop;
        delete hooks.stop;
        stop(gotoEnd);
      };

      if (typeof type !== "string") {
        gotoEnd = clearQueue;
        clearQueue = type;
        type = undefined;
      }

      if (clearQueue && type !== false) {
        this.queue(type || "fx", []);
      }

      return this.each(function () {
        var dequeue = true,
            index = type != null && type + "queueHooks",
            timers = jQuery.timers,
            data = jQuery._data(this);

        if (index) {
          if (data[index] && data[index].stop) {
            stopQueue(data[index]);
          }
        } else {
          for (index in data) {
            if (data[index] && data[index].stop && rrun.test(index)) {
              stopQueue(data[index]);
            }
          }
        }

        for (index = timers.length; index--;) {
          if (timers[index].elem === this && (type == null || timers[index].queue === type)) {
            timers[index].anim.stop(gotoEnd);
            dequeue = false;
            timers.splice(index, 1);
          }
        } // start the next in the queue if the last step wasn't forced
        // timers currently will call their complete callbacks, which will dequeue
        // but only if they were gotoEnd


        if (dequeue || !gotoEnd) {
          jQuery.dequeue(this, type);
        }
      });
    },
    finish: function finish(type) {
      if (type !== false) {
        type = type || "fx";
      }

      return this.each(function () {
        var index,
            data = jQuery._data(this),
            queue = data[type + "queue"],
            hooks = data[type + "queueHooks"],
            timers = jQuery.timers,
            length = queue ? queue.length : 0; // enable finishing flag on private data


        data.finish = true; // empty the queue first

        jQuery.queue(this, type, []);

        if (hooks && hooks.stop) {
          hooks.stop.call(this, true);
        } // look for any active animations, and finish them


        for (index = timers.length; index--;) {
          if (timers[index].elem === this && timers[index].queue === type) {
            timers[index].anim.stop(true);
            timers.splice(index, 1);
          }
        } // look for any animations in the old queue and finish them


        for (index = 0; index < length; index++) {
          if (queue[index] && queue[index].finish) {
            queue[index].finish.call(this);
          }
        } // turn off finishing flag


        delete data.finish;
      });
    }
  });
  jQuery.each(["toggle", "show", "hide"], function (i, name) {
    var cssFn = jQuery.fn[name];

    jQuery.fn[name] = function (speed, easing, callback) {
      return speed == null || typeof speed === "boolean" ? cssFn.apply(this, arguments) : this.animate(genFx(name, true), speed, easing, callback);
    };
  }); // Generate shortcuts for custom animations

  jQuery.each({
    slideDown: genFx("show"),
    slideUp: genFx("hide"),
    slideToggle: genFx("toggle"),
    fadeIn: {
      opacity: "show"
    },
    fadeOut: {
      opacity: "hide"
    },
    fadeToggle: {
      opacity: "toggle"
    }
  }, function (name, props) {
    jQuery.fn[name] = function (speed, easing, callback) {
      return this.animate(props, speed, easing, callback);
    };
  });
  jQuery.timers = [];

  jQuery.fx.tick = function () {
    var timer,
        timers = jQuery.timers,
        i = 0;
    fxNow = jQuery.now();

    for (; i < timers.length; i++) {
      timer = timers[i]; // Checks the timer has not already been removed

      if (!timer() && timers[i] === timer) {
        timers.splice(i--, 1);
      }
    }

    if (!timers.length) {
      jQuery.fx.stop();
    }

    fxNow = undefined;
  };

  jQuery.fx.timer = function (timer) {
    jQuery.timers.push(timer);

    if (timer()) {
      jQuery.fx.start();
    } else {
      jQuery.timers.pop();
    }
  };

  jQuery.fx.interval = 13;

  jQuery.fx.start = function () {
    if (!timerId) {
      timerId = setInterval(jQuery.fx.tick, jQuery.fx.interval);
    }
  };

  jQuery.fx.stop = function () {
    clearInterval(timerId);
    timerId = null;
  };

  jQuery.fx.speeds = {
    slow: 600,
    fast: 200,
    // Default speed
    _default: 400
  }; // Based off of the plugin by Clint Helfers, with permission.
  // http://blindsignals.com/index.php/2009/07/jquery-delay/

  jQuery.fn.delay = function (time, type) {
    time = jQuery.fx ? jQuery.fx.speeds[time] || time : time;
    type = type || "fx";
    return this.queue(type, function (next, hooks) {
      var timeout = setTimeout(next, time);

      hooks.stop = function () {
        clearTimeout(timeout);
      };
    });
  };

  (function () {
    var a,
        input,
        select,
        opt,
        div = document.createElement("div"); // Setup

    div.setAttribute("className", "t");
    div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
    a = div.getElementsByTagName("a")[0]; // First batch of tests.

    select = document.createElement("select");
    opt = select.appendChild(document.createElement("option"));
    input = div.getElementsByTagName("input")[0];
    a.style.cssText = "top:1px"; // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)

    support.getSetAttribute = div.className !== "t"; // Get the style information from getAttribute
    // (IE uses .cssText instead)

    support.style = /top/.test(a.getAttribute("style")); // Make sure that URLs aren't manipulated
    // (IE normalizes it by default)

    support.hrefNormalized = a.getAttribute("href") === "/a"; // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)

    support.checkOn = !!input.value; // Make sure that a selected-by-default option has a working selected property.
    // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)

    support.optSelected = opt.selected; // Tests for enctype support on a form (#6743)

    support.enctype = !!document.createElement("form").enctype; // Make sure that the options inside disabled selects aren't marked as disabled
    // (WebKit marks them as disabled)

    select.disabled = true;
    support.optDisabled = !opt.disabled; // Support: IE8 only
    // Check if we can trust getAttribute("value")

    input = document.createElement("input");
    input.setAttribute("value", "");
    support.input = input.getAttribute("value") === ""; // Check if an input maintains its value after becoming a radio

    input.value = "t";
    input.setAttribute("type", "radio");
    support.radioValue = input.value === "t"; // Null elements to avoid leaks in IE.

    a = input = select = opt = div = null;
  })();

  var rreturn = /\r/g;
  jQuery.fn.extend({
    val: function val(value) {
      var hooks,
          ret,
          isFunction,
          elem = this[0];

      if (!arguments.length) {
        if (elem) {
          hooks = jQuery.valHooks[elem.type] || jQuery.valHooks[elem.nodeName.toLowerCase()];

          if (hooks && "get" in hooks && (ret = hooks.get(elem, "value")) !== undefined) {
            return ret;
          }

          ret = elem.value;
          return typeof ret === "string" ? // handle most common string cases
          ret.replace(rreturn, "") : // handle cases where value is null/undef or number
          ret == null ? "" : ret;
        }

        return;
      }

      isFunction = jQuery.isFunction(value);
      return this.each(function (i) {
        var val;

        if (this.nodeType !== 1) {
          return;
        }

        if (isFunction) {
          val = value.call(this, i, jQuery(this).val());
        } else {
          val = value;
        } // Treat null/undefined as ""; convert numbers to string


        if (val == null) {
          val = "";
        } else if (typeof val === "number") {
          val += "";
        } else if (jQuery.isArray(val)) {
          val = jQuery.map(val, function (value) {
            return value == null ? "" : value + "";
          });
        }

        hooks = jQuery.valHooks[this.type] || jQuery.valHooks[this.nodeName.toLowerCase()]; // If set returns undefined, fall back to normal setting

        if (!hooks || !("set" in hooks) || hooks.set(this, val, "value") === undefined) {
          this.value = val;
        }
      });
    }
  });
  jQuery.extend({
    valHooks: {
      option: {
        get: function get(elem) {
          var val = jQuery.find.attr(elem, "value");
          return val != null ? val : jQuery.text(elem);
        }
      },
      select: {
        get: function get(elem) {
          var value,
              option,
              options = elem.options,
              index = elem.selectedIndex,
              one = elem.type === "select-one" || index < 0,
              values = one ? null : [],
              max = one ? index + 1 : options.length,
              i = index < 0 ? max : one ? index : 0; // Loop through all the selected options

          for (; i < max; i++) {
            option = options[i]; // oldIE doesn't update selected after form reset (#2551)

            if ((option.selected || i === index) && ( // Don't return options that are disabled or in a disabled optgroup
            support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null) && (!option.parentNode.disabled || !jQuery.nodeName(option.parentNode, "optgroup"))) {
              // Get the specific value for the option
              value = jQuery(option).val(); // We don't need an array for one selects

              if (one) {
                return value;
              } // Multi-Selects return an array


              values.push(value);
            }
          }

          return values;
        },
        set: function set(elem, value) {
          var optionSet,
              option,
              options = elem.options,
              values = jQuery.makeArray(value),
              i = options.length;

          while (i--) {
            option = options[i];

            if (jQuery.inArray(jQuery.valHooks.option.get(option), values) >= 0) {
              // Support: IE6
              // When new option element is added to select box we need to
              // force reflow of newly added node in order to workaround delay
              // of initialization properties
              try {
                option.selected = optionSet = true;
              } catch (_) {
                // Will be executed only in IE6
                option.scrollHeight;
              }
            } else {
              option.selected = false;
            }
          } // Force browsers to behave consistently when non-matching value is set


          if (!optionSet) {
            elem.selectedIndex = -1;
          }

          return options;
        }
      }
    }
  }); // Radios and checkboxes getter/setter

  jQuery.each(["radio", "checkbox"], function () {
    jQuery.valHooks[this] = {
      set: function set(elem, value) {
        if (jQuery.isArray(value)) {
          return elem.checked = jQuery.inArray(jQuery(elem).val(), value) >= 0;
        }
      }
    };

    if (!support.checkOn) {
      jQuery.valHooks[this].get = function (elem) {
        // Support: Webkit
        // "" is returned instead of "on" if a value isn't specified
        return elem.getAttribute("value") === null ? "on" : elem.value;
      };
    }
  });
  var nodeHook,
      boolHook,
      attrHandle = jQuery.expr.attrHandle,
      ruseDefault = /^(?:checked|selected)$/i,
      getSetAttribute = support.getSetAttribute,
      getSetInput = support.input;
  jQuery.fn.extend({
    attr: function attr(name, value) {
      return access(this, jQuery.attr, name, value, arguments.length > 1);
    },
    removeAttr: function removeAttr(name) {
      return this.each(function () {
        jQuery.removeAttr(this, name);
      });
    }
  });
  jQuery.extend({
    attr: function attr(elem, name, value) {
      var hooks,
          ret,
          nType = elem.nodeType; // don't get/set attributes on text, comment and attribute nodes

      if (!elem || nType === 3 || nType === 8 || nType === 2) {
        return;
      } // Fallback to prop when attributes are not supported


      if (_typeof(elem.getAttribute) === strundefined) {
        return jQuery.prop(elem, name, value);
      } // All attributes are lowercase
      // Grab necessary hook if one is defined


      if (nType !== 1 || !jQuery.isXMLDoc(elem)) {
        name = name.toLowerCase();
        hooks = jQuery.attrHooks[name] || (jQuery.expr.match.bool.test(name) ? boolHook : nodeHook);
      }

      if (value !== undefined) {
        if (value === null) {
          jQuery.removeAttr(elem, name);
        } else if (hooks && "set" in hooks && (ret = hooks.set(elem, value, name)) !== undefined) {
          return ret;
        } else {
          elem.setAttribute(name, value + "");
          return value;
        }
      } else if (hooks && "get" in hooks && (ret = hooks.get(elem, name)) !== null) {
        return ret;
      } else {
        ret = jQuery.find.attr(elem, name); // Non-existent attributes return null, we normalize to undefined

        return ret == null ? undefined : ret;
      }
    },
    removeAttr: function removeAttr(elem, value) {
      var name,
          propName,
          i = 0,
          attrNames = value && value.match(rnotwhite);

      if (attrNames && elem.nodeType === 1) {
        while (name = attrNames[i++]) {
          propName = jQuery.propFix[name] || name; // Boolean attributes get special treatment (#10870)

          if (jQuery.expr.match.bool.test(name)) {
            // Set corresponding property to false
            if (getSetInput && getSetAttribute || !ruseDefault.test(name)) {
              elem[propName] = false; // Support: IE<9
              // Also clear defaultChecked/defaultSelected (if appropriate)
            } else {
              elem[jQuery.camelCase("default-" + name)] = elem[propName] = false;
            } // See #9699 for explanation of this approach (setting first, then removal)

          } else {
            jQuery.attr(elem, name, "");
          }

          elem.removeAttribute(getSetAttribute ? name : propName);
        }
      }
    },
    attrHooks: {
      type: {
        set: function set(elem, value) {
          if (!support.radioValue && value === "radio" && jQuery.nodeName(elem, "input")) {
            // Setting the type on a radio button after the value resets the value in IE6-9
            // Reset value to default in case type is set after value during creation
            var val = elem.value;
            elem.setAttribute("type", value);

            if (val) {
              elem.value = val;
            }

            return value;
          }
        }
      }
    }
  }); // Hook for boolean attributes

  boolHook = {
    set: function set(elem, value, name) {
      if (value === false) {
        // Remove boolean attributes when set to false
        jQuery.removeAttr(elem, name);
      } else if (getSetInput && getSetAttribute || !ruseDefault.test(name)) {
        // IE<8 needs the *property* name
        elem.setAttribute(!getSetAttribute && jQuery.propFix[name] || name, name); // Use defaultChecked and defaultSelected for oldIE
      } else {
        elem[jQuery.camelCase("default-" + name)] = elem[name] = true;
      }

      return name;
    }
  }; // Retrieve booleans specially

  jQuery.each(jQuery.expr.match.bool.source.match(/\w+/g), function (i, name) {
    var getter = attrHandle[name] || jQuery.find.attr;
    attrHandle[name] = getSetInput && getSetAttribute || !ruseDefault.test(name) ? function (elem, name, isXML) {
      var ret, handle;

      if (!isXML) {
        // Avoid an infinite loop by temporarily removing this function from the getter
        handle = attrHandle[name];
        attrHandle[name] = ret;
        ret = getter(elem, name, isXML) != null ? name.toLowerCase() : null;
        attrHandle[name] = handle;
      }

      return ret;
    } : function (elem, name, isXML) {
      if (!isXML) {
        return elem[jQuery.camelCase("default-" + name)] ? name.toLowerCase() : null;
      }
    };
  }); // fix oldIE attroperties

  if (!getSetInput || !getSetAttribute) {
    jQuery.attrHooks.value = {
      set: function set(elem, value, name) {
        if (jQuery.nodeName(elem, "input")) {
          // Does not return so that setAttribute is also used
          elem.defaultValue = value;
        } else {
          // Use nodeHook if defined (#1954); otherwise setAttribute is fine
          return nodeHook && nodeHook.set(elem, value, name);
        }
      }
    };
  } // IE6/7 do not support getting/setting some attributes with get/setAttribute


  if (!getSetAttribute) {
    // Use this for any attribute in IE6/7
    // This fixes almost every IE6/7 issue
    nodeHook = {
      set: function set(elem, value, name) {
        // Set the existing or create a new attribute node
        var ret = elem.getAttributeNode(name);

        if (!ret) {
          elem.setAttributeNode(ret = elem.ownerDocument.createAttribute(name));
        }

        ret.value = value += ""; // Break association with cloned elements by also using setAttribute (#9646)

        if (name === "value" || value === elem.getAttribute(name)) {
          return value;
        }
      }
    }; // Some attributes are constructed with empty-string values when not defined

    attrHandle.id = attrHandle.name = attrHandle.coords = function (elem, name, isXML) {
      var ret;

      if (!isXML) {
        return (ret = elem.getAttributeNode(name)) && ret.value !== "" ? ret.value : null;
      }
    }; // Fixing value retrieval on a button requires this module


    jQuery.valHooks.button = {
      get: function get(elem, name) {
        var ret = elem.getAttributeNode(name);

        if (ret && ret.specified) {
          return ret.value;
        }
      },
      set: nodeHook.set
    }; // Set contenteditable to false on removals(#10429)
    // Setting to empty string throws an error as an invalid value

    jQuery.attrHooks.contenteditable = {
      set: function set(elem, value, name) {
        nodeHook.set(elem, value === "" ? false : value, name);
      }
    }; // Set width and height to auto instead of 0 on empty string( Bug #8150 )
    // This is for removals

    jQuery.each(["width", "height"], function (i, name) {
      jQuery.attrHooks[name] = {
        set: function set(elem, value) {
          if (value === "") {
            elem.setAttribute(name, "auto");
            return value;
          }
        }
      };
    });
  }

  if (!support.style) {
    jQuery.attrHooks.style = {
      get: function get(elem) {
        // Return undefined in the case of empty string
        // Note: IE uppercases css property names, but if we were to .toLowerCase()
        // .cssText, that would destroy case senstitivity in URL's, like in "background"
        return elem.style.cssText || undefined;
      },
      set: function set(elem, value) {
        return elem.style.cssText = value + "";
      }
    };
  }

  var rfocusable = /^(?:input|select|textarea|button|object)$/i,
      rclickable = /^(?:a|area)$/i;
  jQuery.fn.extend({
    prop: function prop(name, value) {
      return access(this, jQuery.prop, name, value, arguments.length > 1);
    },
    removeProp: function removeProp(name) {
      name = jQuery.propFix[name] || name;
      return this.each(function () {
        // try/catch handles cases where IE balks (such as removing a property on window)
        try {
          this[name] = undefined;
          delete this[name];
        } catch (e) {}
      });
    }
  });
  jQuery.extend({
    propFix: {
      "for": "htmlFor",
      "class": "className"
    },
    prop: function prop(elem, name, value) {
      var ret,
          hooks,
          notxml,
          nType = elem.nodeType; // don't get/set properties on text, comment and attribute nodes

      if (!elem || nType === 3 || nType === 8 || nType === 2) {
        return;
      }

      notxml = nType !== 1 || !jQuery.isXMLDoc(elem);

      if (notxml) {
        // Fix name and attach hooks
        name = jQuery.propFix[name] || name;
        hooks = jQuery.propHooks[name];
      }

      if (value !== undefined) {
        return hooks && "set" in hooks && (ret = hooks.set(elem, value, name)) !== undefined ? ret : elem[name] = value;
      } else {
        return hooks && "get" in hooks && (ret = hooks.get(elem, name)) !== null ? ret : elem[name];
      }
    },
    propHooks: {
      tabIndex: {
        get: function get(elem) {
          // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
          // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
          // Use proper attribute retrieval(#12072)
          var tabindex = jQuery.find.attr(elem, "tabindex");
          return tabindex ? parseInt(tabindex, 10) : rfocusable.test(elem.nodeName) || rclickable.test(elem.nodeName) && elem.href ? 0 : -1;
        }
      }
    }
  }); // Some attributes require a special call on IE
  // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx

  if (!support.hrefNormalized) {
    // href/src property should get the full normalized URL (#10299/#12915)
    jQuery.each(["href", "src"], function (i, name) {
      jQuery.propHooks[name] = {
        get: function get(elem) {
          return elem.getAttribute(name, 4);
        }
      };
    });
  } // Support: Safari, IE9+
  // mis-reports the default selected property of an option
  // Accessing the parent's selectedIndex property fixes it


  if (!support.optSelected) {
    jQuery.propHooks.selected = {
      get: function get(elem) {
        var parent = elem.parentNode;

        if (parent) {
          parent.selectedIndex; // Make sure that it also works with optgroups, see #5701

          if (parent.parentNode) {
            parent.parentNode.selectedIndex;
          }
        }

        return null;
      }
    };
  }

  jQuery.each(["tabIndex", "readOnly", "maxLength", "cellSpacing", "cellPadding", "rowSpan", "colSpan", "useMap", "frameBorder", "contentEditable"], function () {
    jQuery.propFix[this.toLowerCase()] = this;
  }); // IE6/7 call enctype encoding

  if (!support.enctype) {
    jQuery.propFix.enctype = "encoding";
  }

  var rclass = /[\t\r\n\f]/g;
  jQuery.fn.extend({
    addClass: function addClass(value) {
      var classes,
          elem,
          cur,
          clazz,
          j,
          finalValue,
          i = 0,
          len = this.length,
          proceed = typeof value === "string" && value;

      if (jQuery.isFunction(value)) {
        return this.each(function (j) {
          jQuery(this).addClass(value.call(this, j, this.className));
        });
      }

      if (proceed) {
        // The disjunction here is for better compressibility (see removeClass)
        classes = (value || "").match(rnotwhite) || [];

        for (; i < len; i++) {
          elem = this[i];
          cur = elem.nodeType === 1 && (elem.className ? (" " + elem.className + " ").replace(rclass, " ") : " ");

          if (cur) {
            j = 0;

            while (clazz = classes[j++]) {
              if (cur.indexOf(" " + clazz + " ") < 0) {
                cur += clazz + " ";
              }
            } // only assign if different to avoid unneeded rendering.


            finalValue = jQuery.trim(cur);

            if (elem.className !== finalValue) {
              elem.className = finalValue;
            }
          }
        }
      }

      return this;
    },
    removeClass: function removeClass(value) {
      var classes,
          elem,
          cur,
          clazz,
          j,
          finalValue,
          i = 0,
          len = this.length,
          proceed = arguments.length === 0 || typeof value === "string" && value;

      if (jQuery.isFunction(value)) {
        return this.each(function (j) {
          jQuery(this).removeClass(value.call(this, j, this.className));
        });
      }

      if (proceed) {
        classes = (value || "").match(rnotwhite) || [];

        for (; i < len; i++) {
          elem = this[i]; // This expression is here for better compressibility (see addClass)

          cur = elem.nodeType === 1 && (elem.className ? (" " + elem.className + " ").replace(rclass, " ") : "");

          if (cur) {
            j = 0;

            while (clazz = classes[j++]) {
              // Remove *all* instances
              while (cur.indexOf(" " + clazz + " ") >= 0) {
                cur = cur.replace(" " + clazz + " ", " ");
              }
            } // only assign if different to avoid unneeded rendering.


            finalValue = value ? jQuery.trim(cur) : "";

            if (elem.className !== finalValue) {
              elem.className = finalValue;
            }
          }
        }
      }

      return this;
    },
    toggleClass: function toggleClass(value, stateVal) {
      var type = _typeof(value);

      if (typeof stateVal === "boolean" && type === "string") {
        return stateVal ? this.addClass(value) : this.removeClass(value);
      }

      if (jQuery.isFunction(value)) {
        return this.each(function (i) {
          jQuery(this).toggleClass(value.call(this, i, this.className, stateVal), stateVal);
        });
      }

      return this.each(function () {
        if (type === "string") {
          // toggle individual class names
          var className,
              i = 0,
              self = jQuery(this),
              classNames = value.match(rnotwhite) || [];

          while (className = classNames[i++]) {
            // check each className given, space separated list
            if (self.hasClass(className)) {
              self.removeClass(className);
            } else {
              self.addClass(className);
            }
          } // Toggle whole class name

        } else if (type === strundefined || type === "boolean") {
          if (this.className) {
            // store className if set
            jQuery._data(this, "__className__", this.className);
          } // If the element has a class name or if we're passed "false",
          // then remove the whole classname (if there was one, the above saved it).
          // Otherwise bring back whatever was previously saved (if anything),
          // falling back to the empty string if nothing was stored.


          this.className = this.className || value === false ? "" : jQuery._data(this, "__className__") || "";
        }
      });
    },
    hasClass: function hasClass(selector) {
      var className = " " + selector + " ",
          i = 0,
          l = this.length;

      for (; i < l; i++) {
        if (this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf(className) >= 0) {
          return true;
        }
      }

      return false;
    }
  }); // Return jQuery for attributes-only inclusion

  jQuery.each(("blur focus focusin focusout load resize scroll unload click dblclick " + "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " + "change select submit keydown keypress keyup error contextmenu").split(" "), function (i, name) {
    // Handle event binding
    jQuery.fn[name] = function (data, fn) {
      return arguments.length > 0 ? this.on(name, null, data, fn) : this.trigger(name);
    };
  });
  jQuery.fn.extend({
    hover: function hover(fnOver, fnOut) {
      return this.mouseenter(fnOver).mouseleave(fnOut || fnOver);
    },
    bind: function bind(types, data, fn) {
      return this.on(types, null, data, fn);
    },
    unbind: function unbind(types, fn) {
      return this.off(types, null, fn);
    },
    delegate: function delegate(selector, types, data, fn) {
      return this.on(types, selector, data, fn);
    },
    undelegate: function undelegate(selector, types, fn) {
      // ( namespace ) or ( selector, types [, fn] )
      return arguments.length === 1 ? this.off(selector, "**") : this.off(types, selector || "**", fn);
    }
  });
  var nonce = jQuery.now();
  var rquery = /\?/;
  var rvalidtokens = /(,)|(\[|{)|(}|])|"(?:[^"\\\r\n]|\\["\\\/bfnrt]|\\u[\da-fA-F]{4})*"\s*:?|true|false|null|-?(?!0\d)\d+(?:\.\d+|)(?:[eE][+-]?\d+|)/g;

  jQuery.parseJSON = function (data) {
    // Attempt to parse using the native JSON parser first
    if (window.JSON && window.JSON.parse) {
      // Support: Android 2.3
      // Workaround failure to string-cast null input
      return window.JSON.parse(data + "");
    }

    var requireNonComma,
        depth = null,
        str = jQuery.trim(data + ""); // Guard against invalid (and possibly dangerous) input by ensuring that nothing remains
    // after removing valid tokens

    return str && !jQuery.trim(str.replace(rvalidtokens, function (token, comma, open, close) {
      // Force termination if we see a misplaced comma
      if (requireNonComma && comma) {
        depth = 0;
      } // Perform no more replacements after returning to outermost depth


      if (depth === 0) {
        return token;
      } // Commas must not follow "[", "{", or ","


      requireNonComma = open || comma; // Determine new depth
      // array/object open ("[" or "{"): depth += true - false (increment)
      // array/object close ("]" or "}"): depth += false - true (decrement)
      // other cases ("," or primitive): depth += true - true (numeric cast)

      depth += !close - !open; // Remove this token

      return "";
    })) ? Function("return " + str)() : jQuery.error("Invalid JSON: " + data);
  }; // Cross-browser xml parsing


  jQuery.parseXML = function (data) {
    var xml, tmp;

    if (!data || typeof data !== "string") {
      return null;
    }

    try {
      if (window.DOMParser) {
        // Standard
        tmp = new DOMParser();
        xml = tmp.parseFromString(data, "text/xml");
      } else {
        // IE
        xml = new ActiveXObject("Microsoft.XMLDOM");
        xml.async = "false";
        xml.loadXML(data);
      }
    } catch (e) {
      xml = undefined;
    }

    if (!xml || !xml.documentElement || xml.getElementsByTagName("parsererror").length) {
      jQuery.error("Invalid XML: " + data);
    }

    return xml;
  };

  var // Document location
  ajaxLocParts,
      ajaxLocation,
      rhash = /#.*$/,
      rts = /([?&])_=[^&]*/,
      rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg,
      // IE leaves an \r character at EOL
  // #7653, #8125, #8152: local protocol detection
  rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
      rnoContent = /^(?:GET|HEAD)$/,
      rprotocol = /^\/\//,
      rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,

  /* Prefilters
   * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
   * 2) These are called:
   *    - BEFORE asking for a transport
   *    - AFTER param serialization (s.data is a string if s.processData is true)
   * 3) key is the dataType
   * 4) the catchall symbol "*" can be used
   * 5) execution will start with transport dataType and THEN continue down to "*" if needed
   */
  prefilters = {},

  /* Transports bindings
   * 1) key is the dataType
   * 2) the catchall symbol "*" can be used
   * 3) selection will start with transport dataType and THEN go to "*" if needed
   */
  transports = {},
      // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
  allTypes = "*/".concat("*"); // #8138, IE may throw an exception when accessing
  // a field from window.location if document.domain has been set

  try {
    ajaxLocation = location.href;
  } catch (e) {
    // Use the href attribute of an A element
    // since IE will modify it given document.location
    ajaxLocation = document.createElement("a");
    ajaxLocation.href = "";
    ajaxLocation = ajaxLocation.href;
  } // Segment location into parts


  ajaxLocParts = rurl.exec(ajaxLocation.toLowerCase()) || []; // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport

  function addToPrefiltersOrTransports(structure) {
    // dataTypeExpression is optional and defaults to "*"
    return function (dataTypeExpression, func) {
      if (typeof dataTypeExpression !== "string") {
        func = dataTypeExpression;
        dataTypeExpression = "*";
      }

      var dataType,
          i = 0,
          dataTypes = dataTypeExpression.toLowerCase().match(rnotwhite) || [];

      if (jQuery.isFunction(func)) {
        // For each dataType in the dataTypeExpression
        while (dataType = dataTypes[i++]) {
          // Prepend if requested
          if (dataType.charAt(0) === "+") {
            dataType = dataType.slice(1) || "*";
            (structure[dataType] = structure[dataType] || []).unshift(func); // Otherwise append
          } else {
            (structure[dataType] = structure[dataType] || []).push(func);
          }
        }
      }
    };
  } // Base inspection function for prefilters and transports


  function inspectPrefiltersOrTransports(structure, options, originalOptions, jqXHR) {
    var inspected = {},
        seekingTransport = structure === transports;

    function inspect(dataType) {
      var selected;
      inspected[dataType] = true;
      jQuery.each(structure[dataType] || [], function (_, prefilterOrFactory) {
        var dataTypeOrTransport = prefilterOrFactory(options, originalOptions, jqXHR);

        if (typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[dataTypeOrTransport]) {
          options.dataTypes.unshift(dataTypeOrTransport);
          inspect(dataTypeOrTransport);
          return false;
        } else if (seekingTransport) {
          return !(selected = dataTypeOrTransport);
        }
      });
      return selected;
    }

    return inspect(options.dataTypes[0]) || !inspected["*"] && inspect("*");
  } // A special extend for ajax options
  // that takes "flat" options (not to be deep extended)
  // Fixes #9887


  function ajaxExtend(target, src) {
    var deep,
        key,
        flatOptions = jQuery.ajaxSettings.flatOptions || {};

    for (key in src) {
      if (src[key] !== undefined) {
        (flatOptions[key] ? target : deep || (deep = {}))[key] = src[key];
      }
    }

    if (deep) {
      jQuery.extend(true, target, deep);
    }

    return target;
  }
  /* Handles responses to an ajax request:
   * - finds the right dataType (mediates between content-type and expected dataType)
   * - returns the corresponding response
   */


  function ajaxHandleResponses(s, jqXHR, responses) {
    var firstDataType,
        ct,
        finalDataType,
        type,
        contents = s.contents,
        dataTypes = s.dataTypes; // Remove auto dataType and get content-type in the process

    while (dataTypes[0] === "*") {
      dataTypes.shift();

      if (ct === undefined) {
        ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
      }
    } // Check if we're dealing with a known content-type


    if (ct) {
      for (type in contents) {
        if (contents[type] && contents[type].test(ct)) {
          dataTypes.unshift(type);
          break;
        }
      }
    } // Check to see if we have a response for the expected dataType


    if (dataTypes[0] in responses) {
      finalDataType = dataTypes[0];
    } else {
      // Try convertible dataTypes
      for (type in responses) {
        if (!dataTypes[0] || s.converters[type + " " + dataTypes[0]]) {
          finalDataType = type;
          break;
        }

        if (!firstDataType) {
          firstDataType = type;
        }
      } // Or just use first one


      finalDataType = finalDataType || firstDataType;
    } // If we found a dataType
    // We add the dataType to the list if needed
    // and return the corresponding response


    if (finalDataType) {
      if (finalDataType !== dataTypes[0]) {
        dataTypes.unshift(finalDataType);
      }

      return responses[finalDataType];
    }
  }
  /* Chain conversions given the request and the original response
   * Also sets the responseXXX fields on the jqXHR instance
   */


  function ajaxConvert(s, response, jqXHR, isSuccess) {
    var conv2,
        current,
        conv,
        tmp,
        prev,
        converters = {},
        // Work with a copy of dataTypes in case we need to modify it for conversion
    dataTypes = s.dataTypes.slice(); // Create converters map with lowercased keys

    if (dataTypes[1]) {
      for (conv in s.converters) {
        converters[conv.toLowerCase()] = s.converters[conv];
      }
    }

    current = dataTypes.shift(); // Convert to each sequential dataType

    while (current) {
      if (s.responseFields[current]) {
        jqXHR[s.responseFields[current]] = response;
      } // Apply the dataFilter if provided


      if (!prev && isSuccess && s.dataFilter) {
        response = s.dataFilter(response, s.dataType);
      }

      prev = current;
      current = dataTypes.shift();

      if (current) {
        // There's only work to do if current dataType is non-auto
        if (current === "*") {
          current = prev; // Convert response if prev dataType is non-auto and differs from current
        } else if (prev !== "*" && prev !== current) {
          // Seek a direct converter
          conv = converters[prev + " " + current] || converters["* " + current]; // If none found, seek a pair

          if (!conv) {
            for (conv2 in converters) {
              // If conv2 outputs current
              tmp = conv2.split(" ");

              if (tmp[1] === current) {
                // If prev can be converted to accepted input
                conv = converters[prev + " " + tmp[0]] || converters["* " + tmp[0]];

                if (conv) {
                  // Condense equivalence converters
                  if (conv === true) {
                    conv = converters[conv2]; // Otherwise, insert the intermediate dataType
                  } else if (converters[conv2] !== true) {
                    current = tmp[0];
                    dataTypes.unshift(tmp[1]);
                  }

                  break;
                }
              }
            }
          } // Apply converter (if not an equivalence)


          if (conv !== true) {
            // Unless errors are allowed to bubble, catch and return them
            if (conv && s["throws"]) {
              response = conv(response);
            } else {
              try {
                response = conv(response);
              } catch (e) {
                return {
                  state: "parsererror",
                  error: conv ? e : "No conversion from " + prev + " to " + current
                };
              }
            }
          }
        }
      }
    }

    return {
      state: "success",
      data: response
    };
  }

  jQuery.extend({
    // Counter for holding the number of active queries
    active: 0,
    // Last-Modified header cache for next request
    lastModified: {},
    etag: {},
    ajaxSettings: {
      url: ajaxLocation,
      type: "GET",
      isLocal: rlocalProtocol.test(ajaxLocParts[1]),
      global: true,
      processData: true,
      async: true,
      contentType: "application/x-www-form-urlencoded; charset=UTF-8",

      /*
      timeout: 0,
      data: null,
      dataType: null,
      username: null,
      password: null,
      cache: null,
      throws: false,
      traditional: false,
      headers: {},
      */
      accepts: {
        "*": allTypes,
        text: "text/plain",
        html: "text/html",
        xml: "application/xml, text/xml",
        json: "application/json, text/javascript"
      },
      contents: {
        xml: /xml/,
        html: /html/,
        json: /json/
      },
      responseFields: {
        xml: "responseXML",
        text: "responseText",
        json: "responseJSON"
      },
      // Data converters
      // Keys separate source (or catchall "*") and destination types with a single space
      converters: {
        // Convert anything to text
        "* text": String,
        // Text to html (true = no transformation)
        "text html": true,
        // Evaluate text as a json expression
        "text json": jQuery.parseJSON,
        // Parse text as xml
        "text xml": jQuery.parseXML
      },
      // For options that shouldn't be deep extended:
      // you can add your own custom options here if
      // and when you create one that shouldn't be
      // deep extended (see ajaxExtend)
      flatOptions: {
        url: true,
        context: true
      }
    },
    // Creates a full fledged settings object into target
    // with both ajaxSettings and settings fields.
    // If target is omitted, writes into ajaxSettings.
    ajaxSetup: function ajaxSetup(target, settings) {
      return settings ? // Building a settings object
      ajaxExtend(ajaxExtend(target, jQuery.ajaxSettings), settings) : // Extending ajaxSettings
      ajaxExtend(jQuery.ajaxSettings, target);
    },
    ajaxPrefilter: addToPrefiltersOrTransports(prefilters),
    ajaxTransport: addToPrefiltersOrTransports(transports),
    // Main method
    ajax: function ajax(url, options) {
      // If url is an object, simulate pre-1.5 signature
      if (_typeof(url) === "object") {
        options = url;
        url = undefined;
      } // Force options to be an object


      options = options || {};

      var // Cross-domain detection vars
      parts,
          // Loop variable
      i,
          // URL without anti-cache param
      cacheURL,
          // Response headers as string
      responseHeadersString,
          // timeout handle
      timeoutTimer,
          // To know if global events are to be dispatched
      fireGlobals,
          transport,
          // Response headers
      responseHeaders,
          // Create the final options object
      s = jQuery.ajaxSetup({}, options),
          // Callbacks context
      callbackContext = s.context || s,
          // Context for global events is callbackContext if it is a DOM node or jQuery collection
      globalEventContext = s.context && (callbackContext.nodeType || callbackContext.jquery) ? jQuery(callbackContext) : jQuery.event,
          // Deferreds
      deferred = jQuery.Deferred(),
          completeDeferred = jQuery.Callbacks("once memory"),
          // Status-dependent callbacks
      _statusCode = s.statusCode || {},
          // Headers (they are sent all at once)
      requestHeaders = {},
          requestHeadersNames = {},
          // The jqXHR state
      state = 0,
          // Default abort message
      strAbort = "canceled",
          // Fake xhr
      jqXHR = {
        readyState: 0,
        // Builds headers hashtable if needed
        getResponseHeader: function getResponseHeader(key) {
          var match;

          if (state === 2) {
            if (!responseHeaders) {
              responseHeaders = {};

              while (match = rheaders.exec(responseHeadersString)) {
                responseHeaders[match[1].toLowerCase()] = match[2];
              }
            }

            match = responseHeaders[key.toLowerCase()];
          }

          return match == null ? null : match;
        },
        // Raw string
        getAllResponseHeaders: function getAllResponseHeaders() {
          return state === 2 ? responseHeadersString : null;
        },
        // Caches the header
        setRequestHeader: function setRequestHeader(name, value) {
          var lname = name.toLowerCase();

          if (!state) {
            name = requestHeadersNames[lname] = requestHeadersNames[lname] || name;
            requestHeaders[name] = value;
          }

          return this;
        },
        // Overrides response content-type header
        overrideMimeType: function overrideMimeType(type) {
          if (!state) {
            s.mimeType = type;
          }

          return this;
        },
        // Status-dependent callbacks
        statusCode: function statusCode(map) {
          var code;

          if (map) {
            if (state < 2) {
              for (code in map) {
                // Lazy-add the new callback in a way that preserves old ones
                _statusCode[code] = [_statusCode[code], map[code]];
              }
            } else {
              // Execute the appropriate callbacks
              jqXHR.always(map[jqXHR.status]);
            }
          }

          return this;
        },
        // Cancel the request
        abort: function abort(statusText) {
          var finalText = statusText || strAbort;

          if (transport) {
            transport.abort(finalText);
          }

          done(0, finalText);
          return this;
        }
      }; // Attach deferreds


      deferred.promise(jqXHR).complete = completeDeferred.add;
      jqXHR.success = jqXHR.done;
      jqXHR.error = jqXHR.fail; // Remove hash character (#7531: and string promotion)
      // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
      // Handle falsy url in the settings object (#10093: consistency with old signature)
      // We also use the url parameter if available

      s.url = ((url || s.url || ajaxLocation) + "").replace(rhash, "").replace(rprotocol, ajaxLocParts[1] + "//"); // Alias method option to type as per ticket #12004

      s.type = options.method || options.type || s.method || s.type; // Extract dataTypes list

      s.dataTypes = jQuery.trim(s.dataType || "*").toLowerCase().match(rnotwhite) || [""]; // A cross-domain request is in order when we have a protocol:host:port mismatch

      if (s.crossDomain == null) {
        parts = rurl.exec(s.url.toLowerCase());
        s.crossDomain = !!(parts && (parts[1] !== ajaxLocParts[1] || parts[2] !== ajaxLocParts[2] || (parts[3] || (parts[1] === "http:" ? "80" : "443")) !== (ajaxLocParts[3] || (ajaxLocParts[1] === "http:" ? "80" : "443"))));
      } // Convert data if not already a string


      if (s.data && s.processData && typeof s.data !== "string") {
        s.data = jQuery.param(s.data, s.traditional);
      } // Apply prefilters


      inspectPrefiltersOrTransports(prefilters, s, options, jqXHR); // If request was aborted inside a prefilter, stop there

      if (state === 2) {
        return jqXHR;
      } // We can fire global events as of now if asked to


      fireGlobals = s.global; // Watch for a new set of requests

      if (fireGlobals && jQuery.active++ === 0) {
        jQuery.event.trigger("ajaxStart");
      } // Uppercase the type


      s.type = s.type.toUpperCase(); // Determine if request has content

      s.hasContent = !rnoContent.test(s.type); // Save the URL in case we're toying with the If-Modified-Since
      // and/or If-None-Match header later on

      cacheURL = s.url; // More options handling for requests with no content

      if (!s.hasContent) {
        // If data is available, append data to url
        if (s.data) {
          cacheURL = s.url += (rquery.test(cacheURL) ? "&" : "?") + s.data; // #9682: remove data so that it's not used in an eventual retry

          delete s.data;
        } // Add anti-cache in url if needed


        if (s.cache === false) {
          s.url = rts.test(cacheURL) ? // If there is already a '_' parameter, set its value
          cacheURL.replace(rts, "$1_=" + nonce++) : // Otherwise add one to the end
          cacheURL + (rquery.test(cacheURL) ? "&" : "?") + "_=" + nonce++;
        }
      } // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.


      if (s.ifModified) {
        if (jQuery.lastModified[cacheURL]) {
          jqXHR.setRequestHeader("If-Modified-Since", jQuery.lastModified[cacheURL]);
        }

        if (jQuery.etag[cacheURL]) {
          jqXHR.setRequestHeader("If-None-Match", jQuery.etag[cacheURL]);
        }
      } // Set the correct header, if data is being sent


      if (s.data && s.hasContent && s.contentType !== false || options.contentType) {
        jqXHR.setRequestHeader("Content-Type", s.contentType);
      } // Set the Accepts header for the server, depending on the dataType


      jqXHR.setRequestHeader("Accept", s.dataTypes[0] && s.accepts[s.dataTypes[0]] ? s.accepts[s.dataTypes[0]] + (s.dataTypes[0] !== "*" ? ", " + allTypes + "; q=0.01" : "") : s.accepts["*"]); // Check for headers option

      for (i in s.headers) {
        jqXHR.setRequestHeader(i, s.headers[i]);
      } // Allow custom headers/mimetypes and early abort


      if (s.beforeSend && (s.beforeSend.call(callbackContext, jqXHR, s) === false || state === 2)) {
        // Abort if not done already and return
        return jqXHR.abort();
      } // aborting is no longer a cancellation


      strAbort = "abort"; // Install callbacks on deferreds

      for (i in {
        success: 1,
        error: 1,
        complete: 1
      }) {
        jqXHR[i](s[i]);
      } // Get transport


      transport = inspectPrefiltersOrTransports(transports, s, options, jqXHR); // If no transport, we auto-abort

      if (!transport) {
        done(-1, "No Transport");
      } else {
        jqXHR.readyState = 1; // Send global event

        if (fireGlobals) {
          globalEventContext.trigger("ajaxSend", [jqXHR, s]);
        } // Timeout


        if (s.async && s.timeout > 0) {
          timeoutTimer = setTimeout(function () {
            jqXHR.abort("timeout");
          }, s.timeout);
        }

        try {
          state = 1;
          transport.send(requestHeaders, done);
        } catch (e) {
          // Propagate exception as error if not done
          if (state < 2) {
            done(-1, e); // Simply rethrow otherwise
          } else {
            throw e;
          }
        }
      } // Callback for when everything is done


      function done(status, nativeStatusText, responses, headers) {
        var isSuccess,
            success,
            error,
            response,
            modified,
            statusText = nativeStatusText; // Called once

        if (state === 2) {
          return;
        } // State is "done" now


        state = 2; // Clear timeout if it exists

        if (timeoutTimer) {
          clearTimeout(timeoutTimer);
        } // Dereference transport for early garbage collection
        // (no matter how long the jqXHR object will be used)


        transport = undefined; // Cache response headers

        responseHeadersString = headers || ""; // Set readyState

        jqXHR.readyState = status > 0 ? 4 : 0; // Determine if successful

        isSuccess = status >= 200 && status < 300 || status === 304; // Get response data

        if (responses) {
          response = ajaxHandleResponses(s, jqXHR, responses);
        } // Convert no matter what (that way responseXXX fields are always set)


        response = ajaxConvert(s, response, jqXHR, isSuccess); // If successful, handle type chaining

        if (isSuccess) {
          // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
          if (s.ifModified) {
            modified = jqXHR.getResponseHeader("Last-Modified");

            if (modified) {
              jQuery.lastModified[cacheURL] = modified;
            }

            modified = jqXHR.getResponseHeader("etag");

            if (modified) {
              jQuery.etag[cacheURL] = modified;
            }
          } // if no content


          if (status === 204 || s.type === "HEAD") {
            statusText = "nocontent"; // if not modified
          } else if (status === 304) {
            statusText = "notmodified"; // If we have data, let's convert it
          } else {
            statusText = response.state;
            success = response.data;
            error = response.error;
            isSuccess = !error;
          }
        } else {
          // We extract error from statusText
          // then normalize statusText and status for non-aborts
          error = statusText;

          if (status || !statusText) {
            statusText = "error";

            if (status < 0) {
              status = 0;
            }
          }
        } // Set data for the fake xhr object


        jqXHR.status = status;
        jqXHR.statusText = (nativeStatusText || statusText) + ""; // Success/Error

        if (isSuccess) {
          deferred.resolveWith(callbackContext, [success, statusText, jqXHR]);
        } else {
          deferred.rejectWith(callbackContext, [jqXHR, statusText, error]);
        } // Status-dependent callbacks


        jqXHR.statusCode(_statusCode);
        _statusCode = undefined;

        if (fireGlobals) {
          globalEventContext.trigger(isSuccess ? "ajaxSuccess" : "ajaxError", [jqXHR, s, isSuccess ? success : error]);
        } // Complete


        completeDeferred.fireWith(callbackContext, [jqXHR, statusText]);

        if (fireGlobals) {
          globalEventContext.trigger("ajaxComplete", [jqXHR, s]); // Handle the global AJAX counter

          if (! --jQuery.active) {
            jQuery.event.trigger("ajaxStop");
          }
        }
      }

      return jqXHR;
    },
    getJSON: function getJSON(url, data, callback) {
      return jQuery.get(url, data, callback, "json");
    },
    getScript: function getScript(url, callback) {
      return jQuery.get(url, undefined, callback, "script");
    }
  });
  jQuery.each(["get", "post"], function (i, method) {
    jQuery[method] = function (url, data, callback, type) {
      // shift arguments if data argument was omitted
      if (jQuery.isFunction(data)) {
        type = type || callback;
        callback = data;
        data = undefined;
      }

      return jQuery.ajax({
        url: url,
        type: method,
        dataType: type,
        data: data,
        success: callback
      });
    };
  }); // Attach a bunch of functions for handling common AJAX events

  jQuery.each(["ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend"], function (i, type) {
    jQuery.fn[type] = function (fn) {
      return this.on(type, fn);
    };
  });

  jQuery._evalUrl = function (url) {
    return jQuery.ajax({
      url: url,
      type: "GET",
      dataType: "script",
      async: false,
      global: false,
      "throws": true
    });
  };

  jQuery.fn.extend({
    wrapAll: function wrapAll(html) {
      if (jQuery.isFunction(html)) {
        return this.each(function (i) {
          jQuery(this).wrapAll(html.call(this, i));
        });
      }

      if (this[0]) {
        // The elements to wrap the target around
        var wrap = jQuery(html, this[0].ownerDocument).eq(0).clone(true);

        if (this[0].parentNode) {
          wrap.insertBefore(this[0]);
        }

        wrap.map(function () {
          var elem = this;

          while (elem.firstChild && elem.firstChild.nodeType === 1) {
            elem = elem.firstChild;
          }

          return elem;
        }).append(this);
      }

      return this;
    },
    wrapInner: function wrapInner(html) {
      if (jQuery.isFunction(html)) {
        return this.each(function (i) {
          jQuery(this).wrapInner(html.call(this, i));
        });
      }

      return this.each(function () {
        var self = jQuery(this),
            contents = self.contents();

        if (contents.length) {
          contents.wrapAll(html);
        } else {
          self.append(html);
        }
      });
    },
    wrap: function wrap(html) {
      var isFunction = jQuery.isFunction(html);
      return this.each(function (i) {
        jQuery(this).wrapAll(isFunction ? html.call(this, i) : html);
      });
    },
    unwrap: function unwrap() {
      return this.parent().each(function () {
        if (!jQuery.nodeName(this, "body")) {
          jQuery(this).replaceWith(this.childNodes);
        }
      }).end();
    }
  });

  jQuery.expr.filters.hidden = function (elem) {
    // Support: Opera <= 12.12
    // Opera reports offsetWidths and offsetHeights less than zero on some elements
    return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 || !support.reliableHiddenOffsets() && (elem.style && elem.style.display || jQuery.css(elem, "display")) === "none";
  };

  jQuery.expr.filters.visible = function (elem) {
    return !jQuery.expr.filters.hidden(elem);
  };

  var r20 = /%20/g,
      rbracket = /\[\]$/,
      rCRLF = /\r?\n/g,
      rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
      rsubmittable = /^(?:input|select|textarea|keygen)/i;

  function buildParams(prefix, obj, traditional, add) {
    var name;

    if (jQuery.isArray(obj)) {
      // Serialize array item.
      jQuery.each(obj, function (i, v) {
        if (traditional || rbracket.test(prefix)) {
          // Treat each array item as a scalar.
          add(prefix, v);
        } else {
          // Item is non-scalar (array or object), encode its numeric index.
          buildParams(prefix + "[" + (_typeof(v) === "object" ? i : "") + "]", v, traditional, add);
        }
      });
    } else if (!traditional && jQuery.type(obj) === "object") {
      // Serialize object item.
      for (name in obj) {
        buildParams(prefix + "[" + name + "]", obj[name], traditional, add);
      }
    } else {
      // Serialize scalar item.
      add(prefix, obj);
    }
  } // Serialize an array of form elements or a set of
  // key/values into a query string


  jQuery.param = function (a, traditional) {
    var prefix,
        s = [],
        add = function add(key, value) {
      // If value is a function, invoke it and return its value
      value = jQuery.isFunction(value) ? value() : value == null ? "" : value;
      s[s.length] = encodeURIComponent(key) + "=" + encodeURIComponent(value);
    }; // Set traditional to true for jQuery <= 1.3.2 behavior.


    if (traditional === undefined) {
      traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
    } // If an array was passed in, assume that it is an array of form elements.


    if (jQuery.isArray(a) || a.jquery && !jQuery.isPlainObject(a)) {
      // Serialize the form elements
      jQuery.each(a, function () {
        add(this.name, this.value);
      });
    } else {
      // If traditional, encode the "old" way (the way 1.3.2 or older
      // did it), otherwise encode params recursively.
      for (prefix in a) {
        buildParams(prefix, a[prefix], traditional, add);
      }
    } // Return the resulting serialization


    return s.join("&").replace(r20, "+");
  };

  jQuery.fn.extend({
    serialize: function serialize() {
      return jQuery.param(this.serializeArray());
    },
    serializeArray: function serializeArray() {
      return this.map(function () {
        // Can add propHook for "elements" to filter or add form elements
        var elements = jQuery.prop(this, "elements");
        return elements ? jQuery.makeArray(elements) : this;
      }).filter(function () {
        var type = this.type; // Use .is(":disabled") so that fieldset[disabled] works

        return this.name && !jQuery(this).is(":disabled") && rsubmittable.test(this.nodeName) && !rsubmitterTypes.test(type) && (this.checked || !rcheckableType.test(type));
      }).map(function (i, elem) {
        var val = jQuery(this).val();
        return val == null ? null : jQuery.isArray(val) ? jQuery.map(val, function (val) {
          return {
            name: elem.name,
            value: val.replace(rCRLF, "\r\n")
          };
        }) : {
          name: elem.name,
          value: val.replace(rCRLF, "\r\n")
        };
      }).get();
    }
  }); // Create the request object
  // (This is still attached to ajaxSettings for backward compatibility)

  jQuery.ajaxSettings.xhr = window.ActiveXObject !== undefined ? // Support: IE6+
  function () {
    // XHR cannot access local files, always use ActiveX for that case
    return !this.isLocal && // Support: IE7-8
    // oldIE XHR does not support non-RFC2616 methods (#13240)
    // See http://msdn.microsoft.com/en-us/library/ie/ms536648(v=vs.85).aspx
    // and http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9
    // Although this check for six methods instead of eight
    // since IE also does not support "trace" and "connect"
    /^(get|post|head|put|delete|options)$/i.test(this.type) && createStandardXHR() || createActiveXHR();
  } : // For all other browsers, use the standard XMLHttpRequest object
  createStandardXHR;
  var xhrId = 0,
      xhrCallbacks = {},
      xhrSupported = jQuery.ajaxSettings.xhr(); // Support: IE<10
  // Open requests must be manually aborted on unload (#5280)

  if (window.ActiveXObject) {
    jQuery(window).on("unload", function () {
      for (var key in xhrCallbacks) {
        xhrCallbacks[key](undefined, true);
      }
    });
  } // Determine support properties


  support.cors = !!xhrSupported && "withCredentials" in xhrSupported;
  xhrSupported = support.ajax = !!xhrSupported; // Create transport if the browser can provide an xhr

  if (xhrSupported) {
    jQuery.ajaxTransport(function (options) {
      // Cross domain only allowed if supported through XMLHttpRequest
      if (!options.crossDomain || support.cors) {
        var _callback;

        return {
          send: function send(headers, complete) {
            var i,
                xhr = options.xhr(),
                id = ++xhrId; // Open the socket

            xhr.open(options.type, options.url, options.async, options.username, options.password); // Apply custom fields if provided

            if (options.xhrFields) {
              for (i in options.xhrFields) {
                xhr[i] = options.xhrFields[i];
              }
            } // Override mime type if needed


            if (options.mimeType && xhr.overrideMimeType) {
              xhr.overrideMimeType(options.mimeType);
            } // X-Requested-With header
            // For cross-domain requests, seeing as conditions for a preflight are
            // akin to a jigsaw puzzle, we simply never set it to be sure.
            // (it can always be set on a per-request basis or even using ajaxSetup)
            // For same-domain requests, won't change header if already provided.


            if (!options.crossDomain && !headers["X-Requested-With"]) {
              headers["X-Requested-With"] = "XMLHttpRequest";
            } // Set headers


            for (i in headers) {
              // Support: IE<9
              // IE's ActiveXObject throws a 'Type Mismatch' exception when setting
              // request header to a null-value.
              //
              // To keep consistent with other XHR implementations, cast the value
              // to string and ignore `undefined`.
              if (headers[i] !== undefined) {
                xhr.setRequestHeader(i, headers[i] + "");
              }
            } // Do send the request
            // This may raise an exception which is actually
            // handled in jQuery.ajax (so no try/catch here)


            xhr.send(options.hasContent && options.data || null); // Listener

            _callback = function callback(_, isAbort) {
              var status, statusText, responses; // Was never called and is aborted or complete

              if (_callback && (isAbort || xhr.readyState === 4)) {
                // Clean up
                delete xhrCallbacks[id];
                _callback = undefined;
                xhr.onreadystatechange = jQuery.noop; // Abort manually if needed

                if (isAbort) {
                  if (xhr.readyState !== 4) {
                    xhr.abort();
                  }
                } else {
                  responses = {};
                  status = xhr.status; // Support: IE<10
                  // Accessing binary-data responseText throws an exception
                  // (#11426)

                  if (typeof xhr.responseText === "string") {
                    responses.text = xhr.responseText;
                  } // Firefox throws an exception when accessing
                  // statusText for faulty cross-domain requests


                  try {
                    statusText = xhr.statusText;
                  } catch (e) {
                    // We normalize with Webkit giving an empty statusText
                    statusText = "";
                  } // Filter status for non standard behaviors
                  // If the request is local and we have data: assume a success
                  // (success with no data won't get notified, that's the best we
                  // can do given current implementations)


                  if (!status && options.isLocal && !options.crossDomain) {
                    status = responses.text ? 200 : 404; // IE - #1450: sometimes returns 1223 when it should be 204
                  } else if (status === 1223) {
                    status = 204;
                  }
                }
              } // Call complete if needed


              if (responses) {
                complete(status, statusText, responses, xhr.getAllResponseHeaders());
              }
            };

            if (!options.async) {
              // if we're in sync mode we fire the callback
              _callback();
            } else if (xhr.readyState === 4) {
              // (IE6 & IE7) if it's in cache and has been
              // retrieved directly we need to fire the callback
              setTimeout(_callback);
            } else {
              // Add to the list of active xhr callbacks
              xhr.onreadystatechange = xhrCallbacks[id] = _callback;
            }
          },
          abort: function abort() {
            if (_callback) {
              _callback(undefined, true);
            }
          }
        };
      }
    });
  } // Functions to create xhrs


  function createStandardXHR() {
    try {
      return new window.XMLHttpRequest();
    } catch (e) {}
  }

  function createActiveXHR() {
    try {
      return new window.ActiveXObject("Microsoft.XMLHTTP");
    } catch (e) {}
  } // Install script dataType


  jQuery.ajaxSetup({
    accepts: {
      script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
    },
    contents: {
      script: /(?:java|ecma)script/
    },
    converters: {
      "text script": function textScript(text) {
        jQuery.globalEval(text);
        return text;
      }
    }
  }); // Handle cache's special case and global

  jQuery.ajaxPrefilter("script", function (s) {
    if (s.cache === undefined) {
      s.cache = false;
    }

    if (s.crossDomain) {
      s.type = "GET";
      s.global = false;
    }
  }); // Bind script tag hack transport

  jQuery.ajaxTransport("script", function (s) {
    // This transport only deals with cross domain requests
    if (s.crossDomain) {
      var script,
          head = document.head || jQuery("head")[0] || document.documentElement;
      return {
        send: function send(_, callback) {
          script = document.createElement("script");
          script.async = true;

          if (s.scriptCharset) {
            script.charset = s.scriptCharset;
          }

          script.src = s.url; // Attach handlers for all browsers

          script.onload = script.onreadystatechange = function (_, isAbort) {
            if (isAbort || !script.readyState || /loaded|complete/.test(script.readyState)) {
              // Handle memory leak in IE
              script.onload = script.onreadystatechange = null; // Remove the script

              if (script.parentNode) {
                script.parentNode.removeChild(script);
              } // Dereference the script


              script = null; // Callback if not abort

              if (!isAbort) {
                callback(200, "success");
              }
            }
          }; // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
          // Use native DOM manipulation to avoid our domManip AJAX trickery


          head.insertBefore(script, head.firstChild);
        },
        abort: function abort() {
          if (script) {
            script.onload(undefined, true);
          }
        }
      };
    }
  });
  var oldCallbacks = [],
      rjsonp = /(=)\?(?=&|$)|\?\?/; // Default jsonp settings

  jQuery.ajaxSetup({
    jsonp: "callback",
    jsonpCallback: function jsonpCallback() {
      var callback = oldCallbacks.pop() || jQuery.expando + "_" + nonce++;
      this[callback] = true;
      return callback;
    }
  }); // Detect, normalize options and install callbacks for jsonp requests

  jQuery.ajaxPrefilter("json jsonp", function (s, originalSettings, jqXHR) {
    var callbackName,
        overwritten,
        responseContainer,
        jsonProp = s.jsonp !== false && (rjsonp.test(s.url) ? "url" : typeof s.data === "string" && !(s.contentType || "").indexOf("application/x-www-form-urlencoded") && rjsonp.test(s.data) && "data"); // Handle iff the expected data type is "jsonp" or we have a parameter to set

    if (jsonProp || s.dataTypes[0] === "jsonp") {
      // Get callback name, remembering preexisting value associated with it
      callbackName = s.jsonpCallback = jQuery.isFunction(s.jsonpCallback) ? s.jsonpCallback() : s.jsonpCallback; // Insert callback into url or form data

      if (jsonProp) {
        s[jsonProp] = s[jsonProp].replace(rjsonp, "$1" + callbackName);
      } else if (s.jsonp !== false) {
        s.url += (rquery.test(s.url) ? "&" : "?") + s.jsonp + "=" + callbackName;
      } // Use data converter to retrieve json after script execution


      s.converters["script json"] = function () {
        if (!responseContainer) {
          jQuery.error(callbackName + " was not called");
        }

        return responseContainer[0];
      }; // force json dataType


      s.dataTypes[0] = "json"; // Install callback

      overwritten = window[callbackName];

      window[callbackName] = function () {
        responseContainer = arguments;
      }; // Clean-up function (fires after converters)


      jqXHR.always(function () {
        // Restore preexisting value
        window[callbackName] = overwritten; // Save back as free

        if (s[callbackName]) {
          // make sure that re-using the options doesn't screw things around
          s.jsonpCallback = originalSettings.jsonpCallback; // save the callback name for future use

          oldCallbacks.push(callbackName);
        } // Call if it was a function and we have a response


        if (responseContainer && jQuery.isFunction(overwritten)) {
          overwritten(responseContainer[0]);
        }

        responseContainer = overwritten = undefined;
      }); // Delegate to script

      return "script";
    }
  }); // data: string of html
  // context (optional): If specified, the fragment will be created in this context, defaults to document
  // keepScripts (optional): If true, will include scripts passed in the html string

  jQuery.parseHTML = function (data, context, keepScripts) {
    if (!data || typeof data !== "string") {
      return null;
    }

    if (typeof context === "boolean") {
      keepScripts = context;
      context = false;
    }

    context = context || document;
    var parsed = rsingleTag.exec(data),
        scripts = !keepScripts && []; // Single tag

    if (parsed) {
      return [context.createElement(parsed[1])];
    }

    parsed = jQuery.buildFragment([data], context, scripts);

    if (scripts && scripts.length) {
      jQuery(scripts).remove();
    }

    return jQuery.merge([], parsed.childNodes);
  }; // Keep a copy of the old load method


  var _load = jQuery.fn.load;
  /**
   * Load a url into a page
   */

  jQuery.fn.load = function (url, params, callback) {
    if (typeof url !== "string" && _load) {
      return _load.apply(this, arguments);
    }

    var selector,
        response,
        type,
        self = this,
        off = url.indexOf(" ");

    if (off >= 0) {
      selector = url.slice(off, url.length);
      url = url.slice(0, off);
    } // If it's a function


    if (jQuery.isFunction(params)) {
      // We assume that it's the callback
      callback = params;
      params = undefined; // Otherwise, build a param string
    } else if (params && _typeof(params) === "object") {
      type = "POST";
    } // If we have elements to modify, make the request


    if (self.length > 0) {
      jQuery.ajax({
        url: url,
        // if "type" variable is undefined, then "GET" method will be used
        type: type,
        dataType: "html",
        data: params
      }).done(function (responseText) {
        // Save response for use in complete callback
        response = arguments;
        self.html(selector ? // If a selector was specified, locate the right elements in a dummy div
        // Exclude scripts to avoid IE 'Permission Denied' errors
        jQuery("<div>").append(jQuery.parseHTML(responseText)).find(selector) : // Otherwise use the full result
        responseText);
      }).complete(callback && function (jqXHR, status) {
        self.each(callback, response || [jqXHR.responseText, status, jqXHR]);
      });
    }

    return this;
  };

  jQuery.expr.filters.animated = function (elem) {
    return jQuery.grep(jQuery.timers, function (fn) {
      return elem === fn.elem;
    }).length;
  };

  var docElem = window.document.documentElement;
  /**
   * Gets a window from an element
   */

  function getWindow(elem) {
    return jQuery.isWindow(elem) ? elem : elem.nodeType === 9 ? elem.defaultView || elem.parentWindow : false;
  }

  jQuery.offset = {
    setOffset: function setOffset(elem, options, i) {
      var curPosition,
          curLeft,
          curCSSTop,
          curTop,
          curOffset,
          curCSSLeft,
          calculatePosition,
          position = jQuery.css(elem, "position"),
          curElem = jQuery(elem),
          props = {}; // set position first, in-case top/left are set even on static elem

      if (position === "static") {
        elem.style.position = "relative";
      }

      curOffset = curElem.offset();
      curCSSTop = jQuery.css(elem, "top");
      curCSSLeft = jQuery.css(elem, "left");
      calculatePosition = (position === "absolute" || position === "fixed") && jQuery.inArray("auto", [curCSSTop, curCSSLeft]) > -1; // need to be able to calculate position if either top or left is auto and position is either absolute or fixed

      if (calculatePosition) {
        curPosition = curElem.position();
        curTop = curPosition.top;
        curLeft = curPosition.left;
      } else {
        curTop = parseFloat(curCSSTop) || 0;
        curLeft = parseFloat(curCSSLeft) || 0;
      }

      if (jQuery.isFunction(options)) {
        options = options.call(elem, i, curOffset);
      }

      if (options.top != null) {
        props.top = options.top - curOffset.top + curTop;
      }

      if (options.left != null) {
        props.left = options.left - curOffset.left + curLeft;
      }

      if ("using" in options) {
        options.using.call(elem, props);
      } else {
        curElem.css(props);
      }
    }
  };
  jQuery.fn.extend({
    offset: function offset(options) {
      if (arguments.length) {
        return options === undefined ? this : this.each(function (i) {
          jQuery.offset.setOffset(this, options, i);
        });
      }

      var docElem,
          win,
          box = {
        top: 0,
        left: 0
      },
          elem = this[0],
          doc = elem && elem.ownerDocument;

      if (!doc) {
        return;
      }

      docElem = doc.documentElement; // Make sure it's not a disconnected DOM node

      if (!jQuery.contains(docElem, elem)) {
        return box;
      } // If we don't have gBCR, just use 0,0 rather than error
      // BlackBerry 5, iOS 3 (original iPhone)


      if (_typeof(elem.getBoundingClientRect) !== strundefined) {
        box = elem.getBoundingClientRect();
      }

      win = getWindow(doc);
      return {
        top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),
        left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)
      };
    },
    position: function position() {
      if (!this[0]) {
        return;
      }

      var offsetParent,
          offset,
          parentOffset = {
        top: 0,
        left: 0
      },
          elem = this[0]; // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent

      if (jQuery.css(elem, "position") === "fixed") {
        // we assume that getBoundingClientRect is available when computed position is fixed
        offset = elem.getBoundingClientRect();
      } else {
        // Get *real* offsetParent
        offsetParent = this.offsetParent(); // Get correct offsets

        offset = this.offset();

        if (!jQuery.nodeName(offsetParent[0], "html")) {
          parentOffset = offsetParent.offset();
        } // Add offsetParent borders


        parentOffset.top += jQuery.css(offsetParent[0], "borderTopWidth", true);
        parentOffset.left += jQuery.css(offsetParent[0], "borderLeftWidth", true);
      } // Subtract parent offsets and element margins
      // note: when an element has margin: auto the offsetLeft and marginLeft
      // are the same in Safari causing offset.left to incorrectly be 0


      return {
        top: offset.top - parentOffset.top - jQuery.css(elem, "marginTop", true),
        left: offset.left - parentOffset.left - jQuery.css(elem, "marginLeft", true)
      };
    },
    offsetParent: function offsetParent() {
      return this.map(function () {
        var offsetParent = this.offsetParent || docElem;

        while (offsetParent && !jQuery.nodeName(offsetParent, "html") && jQuery.css(offsetParent, "position") === "static") {
          offsetParent = offsetParent.offsetParent;
        }

        return offsetParent || docElem;
      });
    }
  }); // Create scrollLeft and scrollTop methods

  jQuery.each({
    scrollLeft: "pageXOffset",
    scrollTop: "pageYOffset"
  }, function (method, prop) {
    var top = /Y/.test(prop);

    jQuery.fn[method] = function (val) {
      return access(this, function (elem, method, val) {
        var win = getWindow(elem);

        if (val === undefined) {
          return win ? prop in win ? win[prop] : win.document.documentElement[method] : elem[method];
        }

        if (win) {
          win.scrollTo(!top ? val : jQuery(win).scrollLeft(), top ? val : jQuery(win).scrollTop());
        } else {
          elem[method] = val;
        }
      }, method, val, arguments.length, null);
    };
  }); // Add the top/left cssHooks using jQuery.fn.position
  // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
  // getComputedStyle returns percent when specified for top/left/bottom/right
  // rather than make the css module depend on the offset module, we just check for it here

  jQuery.each(["top", "left"], function (i, prop) {
    jQuery.cssHooks[prop] = addGetHookIf(support.pixelPosition, function (elem, computed) {
      if (computed) {
        computed = curCSS(elem, prop); // if curCSS returns percentage, fallback to offset

        return rnumnonpx.test(computed) ? jQuery(elem).position()[prop] + "px" : computed;
      }
    });
  }); // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods

  jQuery.each({
    Height: "height",
    Width: "width"
  }, function (name, type) {
    jQuery.each({
      padding: "inner" + name,
      content: type,
      "": "outer" + name
    }, function (defaultExtra, funcName) {
      // margin is only for outerHeight, outerWidth
      jQuery.fn[funcName] = function (margin, value) {
        var chainable = arguments.length && (defaultExtra || typeof margin !== "boolean"),
            extra = defaultExtra || (margin === true || value === true ? "margin" : "border");
        return access(this, function (elem, type, value) {
          var doc;

          if (jQuery.isWindow(elem)) {
            // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
            // isn't a whole lot we can do. See pull request at this URL for discussion:
            // https://github.com/jquery/jquery/pull/764
            return elem.document.documentElement["client" + name];
          } // Get document width or height


          if (elem.nodeType === 9) {
            doc = elem.documentElement; // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
            // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.

            return Math.max(elem.body["scroll" + name], doc["scroll" + name], elem.body["offset" + name], doc["offset" + name], doc["client" + name]);
          }

          return value === undefined ? // Get width or height on the element, requesting but not forcing parseFloat
          jQuery.css(elem, type, extra) : // Set width or height on the element
          jQuery.style(elem, type, value, extra);
        }, type, chainable ? margin : undefined, chainable, null);
      };
    });
  }); // The number of elements contained in the matched element set

  jQuery.fn.size = function () {
    return this.length;
  };

  jQuery.fn.andSelf = jQuery.fn.addBack; // Register as a named AMD module, since jQuery can be concatenated with other
  // files that may use define, but not via a proper concatenation script that
  // understands anonymous AMD modules. A named AMD is safest and most robust
  // way to register. Lowercase jquery is used because AMD module names are
  // derived from file names, and jQuery is normally delivered in a lowercase
  // file name. Do this after creating the global so that if an AMD module wants
  // to call noConflict to hide this version of jQuery, it will work.

  if (typeof define === "function" && define.amd) {
    define("jquery", [], function () {
      return jQuery;
    });
  }

  var // Map over jQuery in case of overwrite
  _jQuery = window.jQuery,
      // Map over the $ in case of overwrite
  _$ = window.$;

  jQuery.noConflict = function (deep) {
    if (window.$ === jQuery) {
      window.$ = _$;
    }

    if (deep && window.jQuery === jQuery) {
      window.jQuery = _jQuery;
    }

    return jQuery;
  }; // Expose jQuery and $ identifiers, even in
  // AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
  // and CommonJS for browser emulators (#13566)


  if (_typeof(noGlobal) === strundefined) {
    window.jQuery = window.$ = jQuery;
  }

  return jQuery;
});